{"id":14095,"date":"2025-06-06T12:50:51","date_gmt":"2025-06-06T05:50:51","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=14095"},"modified":"2025-07-04T02:00:04","modified_gmt":"2025-07-03T19:00:04","slug":"co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/","title":{"rendered":"C\u01a1 n\u0103ng l\u00e0 g\u00ec? \u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n c\u01a1 n\u0103ng [\u0110\u1ea7y \u0111\u1ee7]"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Co_nang_la_gi\" >C\u01a1 n\u0103ng l\u00e0 g\u00ec?\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Co_nang_co_may_dang\" >C\u01a1 n\u0103ng c\u00f3 m\u1ea5y d\u1ea1ng?\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Ve_the_nang\" >V\u1ec1 th\u1ebf n\u0103ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Ve_dong_nang\" >V\u1ec1 \u0111\u1ed9ng n\u0103ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Su_chuyen_hoa_giua_dong_nang_va_the_nang\" >S\u1ef1 chuy\u1ec3n h\u00f3a gi\u1eefa \u0111\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Dinh_luat_bao_toan_co_nang\" >\u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n c\u01a1 n\u0103ng\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Co_nang_cua_vat_chuyen_dong_trong_trong_truong\" >C\u01a1 n\u0103ng c\u1ee7a v\u1eadt chuy\u1ec3n \u0111\u1ed9ng trong tr\u1ecdng tr\u01b0\u1eddng\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Dinh_nghia\" >\u0110\u1ecbnh ngh\u0129a\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Cong_thuc_tinh_co_nang_cua_vat_chuyen_dong_trong_trong_truong\" >C\u00f4ng th\u1ee9c t\u00ednh c\u01a1 n\u0103ng c\u1ee7a v\u1eadt chuy\u1ec3n \u0111\u1ed9ng trong tr\u1ecdng tr\u01b0\u1eddng\u00a0\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Su_bao_toan_co_nang_cua_vat_chuyen_dong_trong_trong_truong\" >S\u1ef1 b\u1ea3o to\u00e0n c\u01a1 n\u0103ng c\u1ee7a v\u1eadt chuy\u1ec3n \u0111\u1ed9ng trong tr\u1ecdng tr\u01b0\u1eddng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Co_nang_cua_vat_chiu_tac_dung_cua_luc_dan_hoi\" >C\u01a1 n\u0103ng c\u1ee7a v\u1eadt ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111\u00e0n h\u1ed3i\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Su_bao_toan_co_nang_cua_vat_chiu_tac_dung_cua_luc_dan_hoi\" >S\u1ef1 b\u1ea3o to\u00e0n c\u01a1 n\u0103ng c\u1ee7a v\u1eadt ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111\u00e0n h\u1ed3i\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Cong_thuc_tinh_co_nang_cua_vat_chiu_tac_dung_cua_luc_dan_hoi\" >C\u00f4ng th\u1ee9c t\u00ednh c\u01a1 n\u0103ng c\u1ee7a v\u1eadt ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111\u00e0n h\u1ed3i\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Giai_dap_cac_thac_mac_ve_the_nang_va_dong_nang\" >Gi\u1ea3i \u0111\u00e1p c\u00e1c th\u1eafc m\u1eafc v\u1ec1 th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/co-nang-la-gi-dinh-luat-bao-toan-co-nang-day-du\/#Bai_tap_co_nang_Vat_Ly_10\" >B\u00e0i t\u1eadp c\u01a1 n\u0103ng (V\u1eadt L\u00fd 10)\u00a0<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">C\u01a1 n\u0103ng l\u00e0 m\u1ed9t trong nh\u1eefng kh\u00e1i ni\u1ec7m \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t trong ch\u01b0\u01a1ng tr\u00ecnh V\u1eadt L\u00fd 10. V\u1eady c\u01a1 n\u0103ng l\u00e0 g\u00ec? \u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n c\u01a1 n\u0103ng \u0111\u01b0\u1ee3c ph\u00e1t bi\u1ec3u nh\u01b0 th\u1ebf n\u00e0o? Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd t\u1ed5ng h\u1ee3p to\u00e0n b\u1ed9 c\u00e1c ki\u1ebfn th\u1ee9c c\u1ea7n thi\u1ebft trong b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/p>\n<p>                        View all<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Co_nang_la_gi\"><\/span>C\u01a1 n\u0103ng l\u00e0 g\u00ec?\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u01a1 n\u0103ng l\u00e0 g\u00ec? C\u01a1 n\u0103ng l\u00e0 \u0111\u1ea1i l\u01b0\u1ee3ng v\u1eadt l\u00fd th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng sinh c\u00f4ng c\u1ee7a m\u1ed9t v\u1eadt b\u1ea5t k\u1ef3. Hi\u1ec3u m\u1ed9t c\u00e1ch c\u1ee5 th\u1ec3, m\u1ed9t v\u1eadt c\u00f3 c\u01a1 n\u0103ng khi n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n c\u00f4ng c\u01a1 h\u1ecdc. Trong v\u1eadt l\u00fd, c\u01a1 n\u0103ng b\u1eb1ng t\u1ed5ng c\u1ee7a th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng. V\u1eadt th\u1ef1c hi\u1ec7n c\u00f4ng c\u00e0ng l\u1edbn th\u00ec c\u01a1 n\u0103ng c\u1ee7a v\u1eadt c\u00e0ng l\u1edbn.\u00a0<\/p>\n<ul>\n<li>K\u00fd hi\u1ec7u c\u1ee7a c\u01a1 n\u0103ng l\u00e0 W.<\/li>\n<\/ul>\n<ul>\n<li>\u0110\u01a1n v\u1ecb l\u00e0 Jun (J).<\/li>\n<\/ul>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/co-nang-la-gi.jpg\" alt=\"C\u01a1 n\u0103ng b\u1eb1ng t\u1ed5ng c\u1ee7a th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"800\" height=\"397\"><\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: \u0110\u1eb7t m\u1ed9t vi\u00ean g\u1ea1ch tr\u00ean m\u1ed9t t\u1ea5m k\u00ednh. Ban \u0111\u1ea7u, vi\u00ean g\u1ea1ch kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n c\u00f4ng l\u00ean t\u1ea5m k\u00ednh. Tuy nhi\u00ean, khi \u0111\u01b0a n\u00f3 l\u00ean m\u1ed9t \u0111\u1ed9 cao h so v\u1edbi t\u1ea5m k\u00ednh v\u00e0 th\u1ea3 r\u01a1i th\u00ec vi\u00ean g\u1ea1ch c\u00f3 th\u1ec3 l\u00e0m t\u1ea5m k\u00ednh b\u1ecb v\u1ee1. Khi \u0111\u00f3, ta n\u00f3i vi\u00ean g\u1ea1ch c\u00f3 kh\u1ea3 n\u0103ng sinh c\u00f4ng. V\u00ec v\u1eady, khi \u0111\u01b0a vi\u00ean g\u1ea1ch l\u00ean \u0111\u1ed9 cao h, vi\u00ean g\u1ea1ch \u0111\u00e3 c\u00f3 c\u01a1 n\u0103ng.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Co_nang_co_may_dang\"><\/span>C\u01a1 n\u0103ng c\u00f3 m\u1ea5y d\u1ea1ng?\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">C\u01a1 n\u0103ng g\u1ed3m c\u00f3 2 d\u1ea1ng ch\u00ednh \u0111\u00f3 l\u00e0 th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng.\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ve_the_nang\"><\/span>V\u1ec1 th\u1ebf n\u0103ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u01a1 n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt \u0111\u1eb7t t\u1ea1i m\u1ed9t \u0111\u1ed9 cao nh\u1ea5t \u0111\u1ecbnh g\u1ecdi l\u00e0 th\u1ebf n\u0103ng. Th\u1ebf n\u0103ng h\u1ea5p d\u1eabn t\u1ee9c l\u00e0 c\u01a1 n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt \u1edf \u0111\u1ed9 cao h so v\u1edbi m\u1eb7t \u0111\u1ea5t ho\u1eb7c so v\u1edbi m\u1ed9t v\u1ecb tr\u00ed kh\u00e1c \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0m m\u1ed1c. Khi v\u1eadt n\u1eb1m tr\u00ean m\u1eb7t \u0111\u1ea5t, t\u1ee9c kho\u1ea3ng c\u00e1ch t\u1eeb v\u1eadt \u0111\u1ebfn m\u1eb7t \u0111\u1ea5t b\u1eb1ng 0 n\u00ean th\u1ebf n\u0103ng h\u1ea5p d\u1eabn b\u1eb1ng 0. V\u1eadt \u1edf c\u00e0ng cao v\u00e0 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng c\u00e0ng l\u1edbn th\u00ec th\u1ebf n\u0103ng h\u1ea5p d\u1eabn c\u00f3 gi\u00e1 tr\u1ecb c\u00e0ng l\u1edbn.\u00a0<\/p>\n<p dir=\"ltr\">B\u00ean c\u1ea1nh \u0111\u00f3, th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c c\u0169ng \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t d\u1ea1ng c\u01a1 n\u0103ng c\u1ee7a v\u1eadt, n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 bi\u1ebfn d\u1ea1ng c\u1ee7a l\u00f2 xo. \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1ed9t v\u1eadt c\u00f3 th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i hay kh\u00f4ng, ta s\u1ebd x\u00e9t xem v\u1eadt c\u00f3 b\u1ecb bi\u1ebfn d\u1ea1ng hay c\u00f3 t\u00ednh \u0111\u00e0n h\u1ed3i kh\u00f4ng.\u00a0<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: Khi k\u00e9o d\u00e2y cung, ta \u0111\u00e3 l\u00e0m thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng c\u1ee7a d\u00e2y cung n\u00ean \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c ch\u00fang ta \u0111\u00e3 cung c\u1ea5p cho c\u00e2y cung m\u1ed9t th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ve_dong_nang\"><\/span>V\u1ec1 \u0111\u1ed9ng n\u0103ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u01a1 n\u0103ng c\u1ee7a v\u1eadt t\u1ea1o ra do chuy\u1ec3n \u0111\u1ed9ng g\u1ecdi l\u00e0 \u0111\u1ed9ng n\u0103ng. V\u1eadt chuy\u1ec3n \u0111\u1ed9ng c\u00e0ng nhanh v\u00e0 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng c\u00e0ng l\u1edbn th\u00ec \u0111\u1ed9ng n\u0103ng c\u00e0ng l\u1edbn. N\u1ebfu v\u1eadt \u0111\u1ee9ng y\u00ean th\u00ec \u0111\u1ed9ng n\u0103ng b\u1eb1ng 0.<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/co-nang-la-gi-3.jpg\" alt=\"Khi k\u00e9o d\u00e2y cung, ta \u0111\u00e3 cung c\u1ea5p cho c\u00e2y cung m\u1ed9t th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"800\" height=\"572\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Su_chuyen_hoa_giua_dong_nang_va_the_nang\"><\/span>S\u1ef1 chuy\u1ec3n h\u00f3a gi\u1eefa \u0111\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng l\u00e0 hai d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng c\u01a1 b\u1ea3n c\u1ee7a v\u1eadt, v\u00e0 ch\u00fang c\u00f3 th\u1ec3 chuy\u1ec3n h\u00f3a cho nhau. C\u1ee5 th\u1ec3:<\/p>\n<ul>\n<li dir=\"ltr\">\u0110\u1ed9ng n\u0103ng c\u00f3 th\u1ec3 chuy\u1ec3n h\u00f3a th\u00e0nh th\u1ebf n\u0103ng. V\u00ed d\u1ee5: Khi m\u1ed9t qu\u1ea3 b\u00f3ng \u0111\u01b0\u1ee3c n\u00e9m l\u00ean cao, \u0111\u1ed9ng n\u0103ng c\u1ee7a qu\u1ea3 b\u00f3ng s\u1ebd gi\u1ea3m d\u1ea7n v\u00e0 chuy\u1ec3n h\u00f3a th\u00e0nh th\u1ebf n\u0103ng tr\u1ecdng tr\u01b0\u1eddng.<\/li>\n<li dir=\"ltr\">Th\u1ebf n\u0103ng c\u00f3 th\u1ec3 chuy\u1ec3n h\u00f3a th\u00e0nh \u0111\u1ed9ng n\u0103ng. V\u00ed d\u1ee5: Khi m\u1ed9t qu\u1ea3 b\u00f3ng r\u01a1i t\u1eeb tr\u00ean cao xu\u1ed1ng, th\u1ebf n\u0103ng tr\u1ecdng tr\u01b0\u1eddng c\u1ee7a qu\u1ea3 b\u00f3ng s\u1ebd gi\u1ea3m d\u1ea7n v\u00e0 chuy\u1ec3n h\u00f3a th\u00e0nh \u0111\u1ed9ng n\u0103ng.<\/li>\n<\/ul>\n<p dir=\"ltr\">S\u1ef1 chuy\u1ec3n h\u00f3a gi\u1eefa \u0111\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng x\u1ea3y ra li\u00ean t\u1ee5c trong c\u00e1c chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt. V\u00ed d\u1ee5 nh\u01b0 khi m\u1ed9t con l\u1eafc l\u00f2 xo dao \u0111\u1ed9ng, \u0111\u1ed9ng n\u0103ng v\u00e0 th\u1ebf n\u0103ng c\u1ee7a con l\u1eafc chuy\u1ec3n h\u00f3a qua l\u1ea1i cho nhau.<\/p>\n<p dir=\"ltr\">Trong th\u1ef1c t\u1ebf, do lu\u00f4n c\u00f3 l\u1ef1c ma s\u00e1t v\u00e0 c\u00e1c l\u1ef1c c\u1ea3n kh\u00e1c, n\u00ean m\u1ed9t ph\u1ea7n n\u0103ng l\u01b0\u1ee3ng s\u1ebd b\u1ecb hao h\u1ee5t d\u01b0\u1edbi d\u1ea1ng nhi\u1ec7t. Tuy nhi\u00ean, trong c\u00e1c b\u00e0i to\u00e1n c\u01a1 h\u1ecdc, ta th\u01b0\u1eddng b\u1ecf qua c\u00e1c l\u1ef1c c\u1ea3n \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a b\u00e0i to\u00e1n.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dinh_luat_bao_toan_co_nang\"><\/span>\u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n c\u01a1 n\u0103ng\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n c\u01a1 n\u0103ng: Th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng c\u1ee7a 1 v\u1eadt \u0111\u1ec1u c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i qua l\u1ea1i khi v\u1eadt chuy\u1ec3n \u0111\u1ed9ng b\u00ean trong tr\u1ecdng tr\u01b0\u1eddng. Tuy nhi\u00ean, v\u00ec c\u01a1 n\u0103ng b\u1eb1ng t\u1ed5ng th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng n\u00ean t\u1ed5ng s\u1ed1 n\u00e0y lu\u00f4n kh\u00f4ng \u0111\u1ed5i.\u00a0<\/p>\n<p dir=\"ltr\">Ta c\u00f3 c\u00f4ng th\u1ee9c t\u00ednh c\u01a1 n\u0103ng:<\/p>\n<table style=\"border-collapse: collapse;width: 100%;height: 22.3906px;background-color: #fff4f5;border-color: #4e4c50;border-style: solid\" border=\"1\">\n<tr style=\"height: 22.3906px\">\n<td style=\"width: 99.0477%;height: 22.3906px\">\n<p style=\"text-align: center\">W = W\u0111 + Wt = const<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p dir=\"ltr\">H\u1ec7 qu\u1ea3:\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">Khi m\u1ed9t v\u1eadt chuy\u1ec3n \u0111\u1ed9ng trong tro\u0323ng tr\u01b0\u01a1\u0300ng, \u0111\u1ed9ng n\u0103ng c\u1ee7a v\u1eadt s\u1ebd t\u0103ng n\u00ea\u0301u th\u00ea\u0301 n\u0103ng cu\u0309a v\u00e2\u0323t gia\u0309m v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<li dir=\"ltr\">T\u1ea1i vi\u0323 tri\u0301 ma\u0300 th\u1ebf n\u0103ng \u1edf c\u1ef1c ti\u1ec3u th\u00ec \u0111\u00f4\u0323ng n\u0103ng \u01a1\u0309 c\u01b0\u0323c \u0111a\u0323i va\u0300 ng\u01b0\u01a1\u0323c la\u0323i khi th\u00ea\u0301 n\u0103ng \u01a1\u0309 c\u01b0\u0323c \u0111a\u0323i th\u00ec \u0111\u00f4\u0323ng n\u0103ng se\u0303 \u01a1\u0309 c\u01b0\u0323c ti\u00ea\u0309u.<\/li>\n<\/ul>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dinh-luat-bao-toan-co-nang.jpg\" alt=\"\u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n c\u01a1 n\u0103ng. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"800\" height=\"418\"><\/p>\n<p dir=\"ltr\">L\u01b0u \u00fd: \u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n c\u01a1 n\u0103ng (hay s\u1ef1 b\u1ea3o to\u00e0n c\u01a1 n\u0103ng) ch\u1ec9 \u00e1p d\u1ee5ng khi v\u00e2\u0323t chuy\u00ea\u0309n \u0111\u00f4\u0323ng trong tro\u0323ng tr\u01b0\u1eddng va\u0300 kh\u00f4ng ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c ma s\u00e1t m\u00e0 chi\u0309 chi\u0323u ta\u0301c d\u1ee5ng cu\u0309a tro\u0323ng l\u01b0\u0323c hay l\u01b0\u0323c \u0111a\u0300n h\u00f4\u0300i.\u00a0<\/p>\n<p dir=\"ltr\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Co_nang_cua_vat_chuyen_dong_trong_trong_truong\"><\/span>C\u01a1 n\u0103ng c\u1ee7a v\u1eadt chuy\u1ec3n \u0111\u1ed9ng trong tr\u1ecdng tr\u01b0\u1eddng\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u01a1 n\u0103ng c\u1ee7a v\u1eadt chuy\u1ec3n \u0111\u1ed9ng trong tr\u1ecdng tr\u01b0\u1eddng l\u00e0 g\u00ec? T\u00ednh nh\u01b0 th\u1ebf n\u00e0o? C\u00f9ng t\u00ecm hi\u1ec3u trong ph\u1ea7n d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dinh_nghia\"><\/span>\u0110\u1ecbnh ngh\u0129a\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi m\u1ed9t v\u1eadt b\u1ea5t k\u1ef3 chuy\u1ec3n \u0111\u1ed9ng trong tr\u1ecdng tr\u01b0\u1eddng th\u00ec t\u1ed5ng th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng c\u1ee7a v\u1eadt \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u01a1 n\u0103ng.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cong_thuc_tinh_co_nang_cua_vat_chuyen_dong_trong_trong_truong\"><\/span>C\u00f4ng th\u1ee9c t\u00ednh c\u01a1 n\u0103ng c\u1ee7a v\u1eadt chuy\u1ec3n \u0111\u1ed9ng trong tr\u1ecdng tr\u01b0\u1eddng\u00a0\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c:\u00a0<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cong-thuc-tinh-co-nang-1.JPG\" alt=\"\" width=\"315\" height=\"66\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Su_bao_toan_co_nang_cua_vat_chuyen_dong_trong_trong_truong\"><\/span>S\u1ef1 b\u1ea3o to\u00e0n c\u01a1 n\u0103ng c\u1ee7a v\u1eadt chuy\u1ec3n \u0111\u1ed9ng trong tr\u1ecdng tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi m\u1ed9t v\u1eadt b\u1ea5t k\u1ef3 chuy\u1ec3n \u0111\u1ed9ng tr\u1ecdng tr\u01b0\u1eddng v\u00e0 ch\u1ec9 ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a tr\u1ecdng l\u1ef1c (b\u1ecf qua ma s\u00e1t, l\u1ef1c c\u1ea3n,&#8230;) th\u00ec c\u01a1 n\u0103ng c\u1ee7a v\u1eadt kh\u00f4ng \u0111\u1ed5i (l\u00e0 m\u1ed9t \u0111\u1ea1i l\u01b0\u1ee3ng b\u1ea3o to\u00e0n).<\/p>\n<p dir=\"ltr\">T\u1eeb \u0111\u00f3, ta c\u00f3 \u0111\u01b0\u1ee3c:\u00a0<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cong-thuc-tinh-co-nang-2.JPG\" alt=\"\" width=\"360\" height=\"70\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Co_nang_cua_vat_chiu_tac_dung_cua_luc_dan_hoi\"><\/span>C\u01a1 n\u0103ng c\u1ee7a v\u1eadt ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111\u00e0n h\u1ed3i\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Su_bao_toan_co_nang_cua_vat_chiu_tac_dung_cua_luc_dan_hoi\"><\/span>S\u1ef1 b\u1ea3o to\u00e0n c\u01a1 n\u0103ng c\u1ee7a v\u1eadt ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111\u00e0n h\u1ed3i\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi ch\u1ec9 c\u00f3 t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111\u00e0n h\u1ed3i g\u00e2y ra b\u1edfi s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a m\u1ed9t l\u00f2 xo \u0111\u00e0n h\u1ed3i t\u00e1c d\u1ee5ng l\u00ean v\u1eadt, th\u00ec trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed9ng, c\u01a1 n\u0103ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng t\u1ed5ng th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt l\u00e0 m\u1ed9t \u0111\u1ea1i l\u01b0\u1ee3ng b\u1ea3o to\u00e0n.<\/p>\n<p dir=\"ltr\">L\u01b0u y\u0301: \u0110i\u0323nh lu\u00e2\u0323t ba\u0309o toa\u0300n c\u01a1 n\u0103ng chi\u0309 \u0111u\u0301ng khi v\u00e2\u0323t ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a 2 l\u1ef1c l\u00e0 tr\u1ecdng l\u1ef1c v\u00e0 l\u1ef1c \u0111\u00e0n h\u1ed3i v\u00e0 kh\u00f4ng chi\u0323u th\u00eam ta\u0301c \u0111\u00f4\u0323ng cu\u0309a b\u1ea5t k\u1ef3 m\u1ed9t l\u01b0\u0323c n\u00e0o kh\u00e1c nh\u01b0 l\u01b0\u0323c c\u1ea3n, l\u1ef1c ma sa\u0301t,&#8230;\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cong_thuc_tinh_co_nang_cua_vat_chiu_tac_dung_cua_luc_dan_hoi\"><\/span>C\u00f4ng th\u1ee9c t\u00ednh c\u01a1 n\u0103ng c\u1ee7a v\u1eadt ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c \u0111\u00e0n h\u1ed3i\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cong-thuc-tinh-co-nang-3.JPG\" alt=\"\" width=\"305\" height=\"80\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giai_dap_cac_thac_mac_ve_the_nang_va_dong_nang\"><\/span>Gi\u1ea3i \u0111\u00e1p c\u00e1c th\u1eafc m\u1eafc v\u1ec1 th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">1. Th\u1ebf n\u0103ng b\u1eb1ng c\u01a1 n\u0103ng khi n\u00e0o?<\/p>\n<p dir=\"ltr\">C\u01a1 n\u0103ng b\u1eb1ng th\u1ebf n\u0103ng khi n\u00e0o? Th\u1ebf n\u0103ng b\u1eb1ng c\u01a1 n\u0103ng khi v\u1eadt ch\u1ec9 c\u00f3 th\u1ebf n\u0103ng v\u00e0 kh\u00f4ng c\u00f3 \u0111\u1ed9ng n\u0103ng. B\u1edfi v\u00ec, c\u01a1 n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt l\u00e0 t\u1ed5ng c\u1ee7a th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng (W = Wt + W\u0111), n\u00ean khi \u0111\u1ed9ng n\u0103ng c\u1ee7a v\u1eadt b\u1eb1ng 0, th\u00ec c\u01a1 n\u0103ng c\u1ee7a v\u1eadt b\u1eb1ng th\u1ebf n\u0103ng.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: M\u1ed9t qu\u1ea3 b\u00f3ng \u0111\u01b0\u1ee3c treo \u1edf \u0111\u1ed9 cao h so v\u1edbi m\u1eb7t \u0111\u1ea5t. Khi qu\u1ea3 b\u00f3ng \u0111\u01b0\u1ee3c th\u1ea3, th\u1ebf n\u0103ng c\u1ee7a qu\u1ea3 b\u00f3ng s\u1ebd gi\u1ea3m d\u1ea7n v\u00e0 chuy\u1ec3n h\u00f3a th\u00e0nh \u0111\u1ed9ng n\u0103ng. Khi qu\u1ea3 b\u00f3ng ch\u1ea1m \u0111\u1ea5t, th\u1ebf n\u0103ng c\u1ee7a qu\u1ea3 b\u00f3ng b\u1eb1ng 0 v\u00e0 \u0111\u1ed9ng n\u0103ng c\u1ee7a qu\u1ea3 b\u00f3ng \u0111\u1ea1t gi\u00e1 tr\u1ecb c\u1ef1c \u0111\u1ea1i.<\/p>\n<p dir=\"ltr\">2. Ph\u00e1t bi\u1ec3u v\u1ec1 \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n \u0111\u1ed9ng n\u0103ng:<\/p>\n<p dir=\"ltr\">Trong m\u1ed9t h\u1ec7 k\u00edn, n\u1ebfu kh\u00f4ng c\u00f3 l\u1ef1c ma s\u00e1t ho\u1eb7c c\u00e1c l\u1ef1c c\u1ea3n kh\u00e1c t\u00e1c d\u1ee5ng l\u00ean c\u00e1c v\u1eadt trong h\u1ec7 th\u00ec \u0111\u1ed9ng n\u0103ng c\u1ee7a h\u1ec7 s\u1ebd \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n. Tuy nhi\u00ean, trong th\u1ef1c t\u1ebf, do lu\u00f4n c\u00f3 l\u1ef1c ma s\u00e1t v\u00e0 c\u00e1c l\u1ef1c c\u1ea3n kh\u00e1c, n\u00ean \u0111\u1ed9ng n\u0103ng c\u1ee7a h\u1ec7 kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n ho\u00e0n to\u00e0n.<\/p>\n<p dir=\"ltr\">Xem th\u00eam: \u0110\u1ed9ng n\u0103ng l\u00e0 g\u00ec? Bi\u1ec3u th\u1ee9c t\u00ednh \u0111\u1ed9ng n\u0103ng &amp; b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng (V\u1eadt L\u00fd 10)<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_co_nang_Vat_Ly_10\"><\/span>B\u00e0i t\u1eadp c\u01a1 n\u0103ng (V\u1eadt L\u00fd 10)\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp thu\u1ed9c chuy\u00ean \u0111\u1ec1 C\u01a1 n\u0103ng, c\u00f3 k\u00e8m l\u1eddi gi\u1ea3i chi ti\u1ebft gi\u00fap c\u00e1c em c\u00f3 th\u1ec3 ki\u1ec3m tra v\u00e0 so s\u00e1nh k\u1ebft qu\u1ea3 sau khi ho\u00e0n th\u00e0nh.<\/p>\n<p dir=\"ltr\">C\u00e2u 1: M\u1ed9t v\u1eadt nh\u1ecf \u0111\u01b0\u1ee3c n\u00e9m l\u00ean t\u1eeb m\u1ed9t \u0111i\u1ec3m M ph\u00eda tr\u00ean m\u1eb7t \u0111\u1ea5t; v\u1eadt l\u00ean t\u1edbi \u0111i\u1ec3m N th\u00ec d\u1eebng v\u00e0 r\u01a1i xu\u1ed1ng. B\u1ecf qua s\u1ee9c c\u1ea3n c\u1ee7a kh\u00f4ng kh\u00ed. Trong qu\u00e1 tr\u00ecnh MN<\/p>\n<p dir=\"ltr\">A. \u0110\u1ed9ng n\u0103ng t\u0103ng<\/p>\n<p dir=\"ltr\">B. Th\u1ebf n\u0103ng gi\u1ea3m<\/p>\n<p dir=\"ltr\">C. C\u01a1 n\u0103ng c\u1ef1c \u0111\u1ea1i t\u1ea1i N<\/p>\n<p dir=\"ltr\">D. C\u01a1 n\u0103ng kh\u00f4ng \u0111\u1ed5i<\/p>\n<p dir=\"ltr\">\u0110\u00e1p \u00e1n: Ch\u1ecdn D.<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch: V\u00ec b\u1ecf qua s\u1ee9c c\u1ea3n c\u1ee7a kh\u00f4ng kh\u00ed n\u00ean trong qua\u0301 tri\u0300nh MN c\u01a1 n\u0103ng kh\u00f4ng \u0111\u00f4\u0309i.<\/p>\n<p dir=\"ltr\">C\u00e2u 2: T\u1eeb \u0111i\u1ec3m M (c\u00f3 \u0111\u1ed9 cao so v\u1edbi m\u1eb7t \u0111\u1ea5t b\u1eb1ng 0,8m) n\u00e9m l\u00ean m\u1ed9t v\u1eadt v\u1edbi v\u1eadn t\u1ed1c \u0111\u1ea7u 2m\/s. Bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1eadt b\u1eb1ng 0,5kg, l\u1ea5y g= 10m\/s^2. C\u01a1 n\u0103ng c\u1ee7a v\u1eadt b\u1eb1ng bao nhi\u00eau?<\/p>\n<p dir=\"ltr\">A. 4 J<\/p>\n<p dir=\"ltr\">B. 1 J<\/p>\n<p dir=\"ltr\">C. 5 J<\/p>\n<p dir=\"ltr\">D. 8 J<\/p>\n<p dir=\"ltr\">\u0110\u00e1p \u00e1n: Ch\u1ecdn C<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch:\u00a0<\/p>\n<p dir=\"ltr\">Ch\u1ecdn m\u1ed1c th\u1ebf n\u0103ng t\u1ea1i m\u1eb7t \u0111\u1ea5t. T\u1ea1i \u0111i\u1ec3m n\u00e9m M ta c\u00f3 \u0111\u01b0\u1ee3c:\u00a0<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/bai-tap-co-nang.JPG\" alt=\"\" width=\"308\" height=\"102\"><\/p>\n<p dir=\"ltr\">V\u1eady c\u01a1 n\u0103ng c\u1ee7a v\u1eadt b\u1eb1ng 5J<\/p>\n<p dir=\"ltr\">C\u00e2u 3: C\u01a1 n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 2kg r\u01a1i t\u1eeb \u0111\u1ed9 cao 5m xu\u1ed1ng m\u1eb7t \u0111\u1ea5t l\u00e0:<\/p>\n<p dir=\"ltr\">A. 10 J\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n<p dir=\"ltr\">B. 100 J\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n<p dir=\"ltr\">C. 5 J\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n<p dir=\"ltr\">D. 50 J<\/p>\n<p dir=\"ltr\">\u0110\u00e1p \u00e1n: Ch\u1ecdn B<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch:\u00a0<\/p>\n<p dir=\"ltr\">V\u00ec c\u01a1 n\u0103ng c\u1ee7a h\u1ec7 \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n n\u00ean c\u01a1 n\u0103ng b\u1eb1ng th\u1ebf n\u0103ng l\u00fac ban \u0111\u1ea7u, hay:<\/p>\n<p dir=\"ltr\">W = W( t = 0 ) = W\u0111 + Wt = mgh = 100 (J).<\/p>\n<p dir=\"ltr\">C\u00e2u 4: M\u1ed9t v\u1eadt \u0111\u01b0\u1ee3c n\u00e9m th\u1eb3ng \u0111\u1ee9ng l\u00ean cao v\u1edbi v\u1eadn t\u1ed1c 6 m\/s. L\u1ea5y g = 10 m\/s^2. T\u00ednh \u0111\u1ed9 cao c\u1ef1c \u0111\u1ea1i c\u1ee7a n\u00f3.<\/p>\n<p dir=\"ltr\">A. h = 1,8 m.<\/p>\n<p dir=\"ltr\">B. h = 3,6 m.<\/p>\n<p dir=\"ltr\">C. h = 2,4 m<\/p>\n<p dir=\"ltr\">D. h = 6 m<\/p>\n<p dir=\"ltr\">\u0110\u00e1p \u00e1n: Ch\u1ecdn A<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch:\u00a0<\/p>\n<p dir=\"ltr\">Khi v\u1eadt l\u00ean \u0111\u1ebfn \u0111\u1ed9 cao c\u1ef1c \u0111\u1ea1i th\u00ec v = 0.<\/p>\n<p dir=\"ltr\">\u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n c\u01a1 n\u0103ng cho 2 v\u1ecb tr\u00ed b\u1eaft \u0111\u1ea7u n\u00e9m v\u1eadt v\u00e0 \u0111\u1ed9 cao c\u1ef1c \u0111\u1ea1i:<\/p>\n<p dir=\"ltr\">W1 = W2 \u21d4 W\u01111 + Wt1 = W\u01112 + Wt2.<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/bai-tap-co-nang-1.JPG\" alt=\"\" width=\"279\" height=\"101\"><\/p>\n<p dir=\"ltr\">C\u00e2u 5: M\u1ed9t v\u1eadt m tr\u01b0\u1ee3t kh\u00f4ng v\u1eadn t\u1ed1c ban \u0111\u1ea7u t\u1eeb \u0111\u1ec9nh xu\u1ed1ng ch\u00e2n m\u1ed9t m\u1eb7t ph\u1eb3ng nghi\u00eang c\u00f3 chi\u1ec1u d\u00e0i 5m, v\u00e0 nghi\u00eang m\u1ed9t g\u00f3c 30\u00b0 so v\u1edbi m\u1eb7t ph\u1eb3ng ngang. L\u1ef1c ma s\u00e1t gi\u1eefa v\u1eadt v\u00e0 m\u1eb7t ph\u1eb3ng nghi\u00eang c\u00f3 \u0111\u1ed9 l\u1edbn b\u1eb1ng m\u1ed9t ph\u1ea7n t\u01b0 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt. L\u1ea5y g=10m\/s^2. V\u1eadn t\u1ed1c c\u1ee7a v\u1eadt \u1edf ch\u00e2n m\u1eb7t ph\u1eb3ng nghi\u00eang c\u00f3 \u0111\u1ed9 l\u1edbn l\u00e0<\/p>\n<p dir=\"ltr\">A. 4.5 m\/s. \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 B. 5 m\/s. \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 C. 3,25 m\/s. \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 D. 4 m\/s.<\/p>\n<p dir=\"ltr\">\u0110\u00e1p \u00e1n: Ch\u1ecdn B<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch:<\/p>\n<p dir=\"ltr\">\u00c1p \u0111\u1ecbnh l\u00ed bi\u1ebfn thi\u00ean \u0111\u1ed9ng n\u0103ng cho 2 v\u1ecb tr\u00ed v\u1eadt b\u1eaft \u0111\u1ea7u chuy\u1ec3n \u0111\u1ed9ng v\u00e0 khi v\u1eadt d\u1eebng l\u1ea1i, ta c\u00f3:<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/bai-tap-co-nang-3.JPG\" alt=\"\" width=\"601\" height=\"122\"><\/p>\n<p dir=\"ltr\">C\u00e2u 6: M\u1ed9t v\u1eadn \u0111\u1ed9ng vi\u00ean n\u1eb7ng 650N nh\u1ea3y v\u1edbi v\u1eadn t\u1ed1c ban \u0111\u1ea7u v0 = 2 m\/s t\u1eeb c\u1ea7u nh\u1ea3y \u1edf \u0111\u1ed9 cao 10 m xu\u1ed1ng n\u01b0\u1edbc theo h\u01b0\u1edbng th\u1eb3ng \u0111\u1ee9ng xu\u1ed1ng d\u01b0\u1edbi. L\u1ea5y g = 10 m\/s^2, sau khi ch\u1ea1m n\u01b0\u1edbc ng\u01b0\u1eddi \u0111\u00f3 chuy\u1ec3n \u0111\u1ed9ng th\u00eam m\u1ed9t \u0111\u1ed9 d\u1eddi 3m trong n\u01b0\u1edbc theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng th\u00ec d\u1eebng. \u0110\u1ed9 bi\u1ebfn thi\u00ean c\u01a1 n\u0103ng c\u1ee7a ng\u01b0\u1eddi \u0111\u00f3 l\u00e0:<\/p>\n<p dir=\"ltr\">A. \u2013 8580 J\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n<p dir=\"ltr\">B. \u2013 7850 J\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n<p dir=\"ltr\">C. \u2013 5850 J\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n<p dir=\"ltr\">D. \u2013 6850 J<\/p>\n<p dir=\"ltr\">\u0110\u00e1p \u00e1n: Ch\u1ecdn A<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch:\u00a0<\/p>\n<p dir=\"ltr\">Ch\u1ecdn g\u1ed1c th\u1ebf n\u0103ng t\u1ea1i m\u1eb7t ph\u00e2n c\u00e1ch gi\u1eefa n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed.<\/p>\n<p dir=\"ltr\">C\u01a1 n\u0103ng c\u1ee7a ng\u01b0\u1eddi l\u00fac b\u1eaft \u0111\u1ea7u nh\u1ea3y l\u00e0:<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/bai-tap-co-nang-4.JPG\" alt=\"\" width=\"342\" height=\"57\"><\/p>\n<p dir=\"ltr\">T\u1ea1i v\u1ecb tr\u00ed d\u1eebng l\u1ea1i, c\u00f3 t\u1ecda \u0111\u1ed9 l\u00e0 h\u2019 = -3 m.<\/p>\n<p dir=\"ltr\">C\u01a1 n\u0103ng l\u00fac ng\u01b0\u1eddi \u0111\u00f3 d\u1eebng l\u1ea1i l\u00e0:<\/p>\n<p dir=\"ltr\">Wsau = &#8211; mgh&#8217; = -1950 (J)<\/p>\n<p dir=\"ltr\">\u0110\u1ed9 bi\u1ebfn thi\u00ean c\u01a1 n\u0103ng: \u0394W = Wsau &#8211; Wtr\u01b0\u1edbc = &#8211; 8580 (J).<\/p>\n<p dir=\"ltr\">C\u00e2u 7: M\u00f4\u0323t v\u00e2\u0323t \u0111\u01b0\u01a1\u0323c tha\u0309 r\u01a1i t\u01b0\u0323 do, trong qua\u0301 tri\u0300nh r\u01a1i<\/p>\n<p dir=\"ltr\">A. \u0110\u00f4\u0323ng n\u0103ng cu\u0309a v\u00e2\u0323t kh\u00f4ng \u0111\u00f4\u0309i.<\/p>\n<p dir=\"ltr\">B. Th\u00ea\u0301 n\u0103ng cu\u0309a v\u00e2\u0323t kh\u00f4ng \u0111\u00f4\u0309i.<\/p>\n<p dir=\"ltr\">C. T\u00f4\u0309ng \u0111\u00f4\u0323ng n\u0103ng va\u0300 th\u00ea\u0301 n\u0103ng cu\u0309a v\u00e2\u0323t kh\u00f4ng thay \u0111\u00f4\u0309i.<\/p>\n<p dir=\"ltr\">D. T\u00f4\u0309ng \u0111\u00f4\u0323ng n\u0103ng va\u0300 th\u00ea\u0301 n\u0103ng cu\u0309a v\u00e2\u0323t lu\u00f4n thay \u0111\u00f4\u0309i.<\/p>\n<p dir=\"ltr\">\u0110\u00e1p \u00e1n: Ch\u1ecdn C.<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch: M\u00f4\u0323t v\u00e2\u0323t \u0111\u01b0\u01a1\u0323c tha\u0309 r\u01a1i t\u01b0\u0323 do, trong qua\u0301 tri\u0300nh r\u01a1i v\u1eadn t\u1ed1c v\u00e0 \u0111\u1ed9 cao c\u1ee7a v\u1eadt thay \u0111\u1ed5i n\u00ean th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng thay \u0111\u1ed5i, nh\u01b0ng t\u00f4\u0309ng th\u1ebf n\u0103ng va\u0300 \u0111\u1ed9ngn\u0103ng cu\u0309a v\u00e2\u0323t kh\u00f4ng thay \u0111\u00f4\u0309i.<\/p>\n<p dir=\"ltr\">C\u00e2u 8: M\u00f4\u0323t v\u00e2\u0323n \u0111\u00f4\u0323ng vi\u00ean tr\u01b0\u01a1\u0323t tuy\u00ea\u0301t t\u01b0\u0300 tr\u00ean va\u0301ch nu\u0301i tr\u01b0\u01a1\u0323t xu\u00f4\u0301ng, t\u00f4\u0301c \u0111\u00f4\u0323 tr\u01b0\u01a1\u0323t m\u00f4\u0303i lu\u0301c m\u00f4\u0323t t\u0103ng. Nh\u01b0 v\u00e2\u0323y \u0111\u00f4\u0301i v\u01a1\u0301i v\u00e2\u0323n \u0111\u00f4\u0323ng vi\u00ean<\/p>\n<p dir=\"ltr\">A. \u0110\u00f4\u0323ng n\u0103ng t\u0103ng, th\u00ea\u0301 n\u0103ng t\u0103ng.<\/p>\n<p dir=\"ltr\">B. \u0110\u00f4\u0323ng n\u0103ng t\u0103ng, th\u00ea\u0301 n\u0103ng gia\u0309m.<\/p>\n<p dir=\"ltr\">C. \u0110\u00f4\u0323ng n\u0103ng kh\u00f4ng \u0111\u00f4\u0309i, th\u00ea\u0301 n\u0103ng gia\u0309m.<\/p>\n<p dir=\"ltr\">D. \u0110\u00f4\u0323ng n\u0103ng gia\u0309m, th\u00ea\u0301 n\u0103ng t\u0103ng.<\/p>\n<p dir=\"ltr\">\u0110\u00e1p \u00e1n: Ch\u1ecdn B.<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch: M\u00f4\u0323t v\u00e2\u0323n \u0111\u00f4\u0323ng vi\u00ean tr\u01b0\u01a1\u0323t tuy\u00ea\u0301t t\u01b0\u0300 tr\u00ean va\u0301ch nu\u0301i tr\u01b0\u01a1\u0323t xu\u00f4\u0301ng n\u00ean \u0111\u1ed9 cao gi\u1ea3m v\u00e0 v\u1eadn t\u1ed1c t\u0103ng. Do \u0111\u00f3 th\u1ebf n\u0103ng gi\u1ea3m, \u0111\u1ed9ng n\u0103ng t\u0103ng.<\/p>\n<p dir=\"ltr\">C\u00e2u 9: Trong qua\u0301 tri\u0300nh dao \u0111\u00f4\u0323ng cu\u0309a m\u00f4\u0323t con l\u0103\u0301c \u0111\u01a1n thi\u0300 ta\u0323i vi\u0323 tri\u0301 c\u00e2n b\u0103\u0300ng<\/p>\n<p dir=\"ltr\">A. \u0111\u00f4\u0323ng n\u0103ng \u0111a\u0323t gia\u0301 tri\u0323 c\u01b0\u0323c \u0111a\u0323i.<\/p>\n<p dir=\"ltr\">B. th\u00ea\u0301 n\u0103ng \u0111a\u0323t gia\u0301 tri\u0323 c\u01b0\u0323c \u0111a\u0323i.<\/p>\n<p dir=\"ltr\">C. c\u01a1 n\u0103ng b\u0103\u0300ng kh\u00f4ng.<\/p>\n<p dir=\"ltr\">D. th\u00ea\u0301 n\u0103ng b\u0103\u0300ng \u0111\u00f4\u0323ng n\u0103ng.<\/p>\n<p dir=\"ltr\">\u0110\u00e1p \u00e1n: Ch\u1ecdn A.<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch: Trong qua\u0301 tri\u0300nh dao \u0111\u00f4\u0323ng cu\u0309a m\u00f4\u0323t con l\u0103\u0301c \u0111\u01a1n thi\u0300 ta\u0323i vi\u0323 tri\u0301 c\u00e2n b\u0103\u0300ng con l\u1eafc \u0111\u01a1n c\u00f3 t\u1ecda \u0111\u1ed9 cao th\u1ea5p nh\u1ea5t do v\u1eady th\u1ebf n\u0103ng nh\u1ecf nh\u1ea5t, \u0111\u1ed9ng n\u0103ng l\u1edbn nh\u1ea5t.<\/p>\n<p dir=\"ltr\">C\u00e2u 10: Khi tha\u0309 m\u00f4\u0323t v\u00e2\u0323t tr\u01b0\u01a1\u0323t kh\u00f4ng v\u00e2\u0323n t\u00f4\u0301c \u0111\u00e2\u0300u tr\u00ean m\u0103\u0323t ph\u0103\u0309ng nghi\u00eang co\u0301 ma sa\u0301t<\/p>\n<p dir=\"ltr\">A. c\u01a1 n\u0103ng cu\u0309a v\u00e2\u0323t b\u0103\u0300ng gia\u0301 tri\u0323 c\u01b0\u0323c \u0111a\u0323i cu\u0309a \u0111\u00f4\u0323ng n\u0103ng.<\/p>\n<p dir=\"ltr\">B. \u0111\u00f4\u0323 bi\u00ea\u0301n thi\u00ean \u0111\u00f4\u0323ng n\u0103ng b\u0103\u0300ng c\u00f4ng cu\u0309a l\u01b0\u0323c ma sa\u0301t.<\/p>\n<p dir=\"ltr\">C. \u0111\u00f4\u0323 gia\u0309m th\u00ea\u0301 n\u0103ng b\u0103\u0300ng c\u00f4ng cu\u0309a tro\u0323ng l\u1ef1c.<\/p>\n<p dir=\"ltr\">D. \u0111\u00f4\u0323 gia\u0309m th\u00ea\u0301 n\u0103ng b\u0103\u0300ng \u0111\u00f4\u0323 t\u0103ng \u0111\u00f4\u0323ng n\u0103ng.<\/p>\n<p dir=\"ltr\">\u0110\u00e1p \u00e1n: Ch\u1ecdn C.<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch: Khi tha\u0309 m\u00f4\u0323t v\u00e2\u0323t tr\u01b0\u01a1\u0323t kh\u00f4ng v\u00e2\u0323n t\u00f4\u0301c \u0111\u00e2\u0300u tr\u00ean m\u0103\u0323t ph\u0103\u0309ng nghi\u00eang co\u0301 ma sa\u0301t th\u1ebf n\u0103ng gi\u1ea3m do tr\u1ecdng l\u1ef1c sinh c\u00f4ng. Do \u0111\u00f3 \u0111\u00f4\u0323 gia\u0309m th\u00ea\u0301 n\u0103ng b\u0103\u0300ng c\u00f4ng cu\u0309a tro\u0323ng l\u01b0\u0323c.<\/p>\n<p dir=\"ltr\">C\u00e2u 11: M\u00f4\u0323t v\u00e2\u0323t \u0111\u01b0\u01a1\u0323c tha\u0309 r\u01a1i t\u01b0\u0323 do t\u01b0\u0300 \u0111\u00f4\u0323 cao 3m. \u0110\u00f4\u0323 cao v\u00e2\u0323t khi \u0111\u00f4\u0323ng n\u0103ng b\u0103\u0300n hai l\u00e2\u0300n th\u00ea\u0301 n\u0103ng la\u0300<\/p>\n<p dir=\"ltr\">A. 1,5 m.<\/p>\n<p dir=\"ltr\">B. 1,2 m.<\/p>\n<p dir=\"ltr\">C. 2,4 m.<\/p>\n<p dir=\"ltr\">D. 1,0 m.<\/p>\n<p dir=\"ltr\">\u0110\u00e1p \u00e1n: Ch\u1ecdn D<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch: Cho\u0323n m\u00f4\u0301c th\u00ea\u0301 n\u0103ng ta\u0323i m\u0103\u0323t \u0111\u00e2\u0301t.<\/p>\n<p dir=\"ltr\">V\u00e2\u0323t r\u01a1i t\u01b0\u0323 do n\u00ean c\u01a1 n\u0103ng \u0111\u01b0\u01a1\u0323c ba\u0309o toa\u0300n: W1 = W2<\/p>\n<p dir=\"ltr\">\u21d2 W1 = W\u01112 + Wt2\u00a0 = 2.Wt2 +Wt2 \u21d2 h2 = h\/3 = 1 (m).<\/p>\n<p dir=\"ltr\">C\u00e2u 12: M\u00f4\u0323t v\u00e2\u0323t \u0111\u01b0\u01a1\u0323c ne\u0301m th\u0103\u0309ng \u0111\u01b0\u0301ng l\u00ean cao t\u01b0\u0300 m\u0103\u0323t \u0111\u00e2\u0301t v\u01a1\u0301i v\u00e2\u0323n t\u00f4\u0301c \u0111\u00e2\u0300u 4 m\/s. Bo\u0309 qua s\u01b0\u0301c ca\u0309n kh\u00f4ng khi\u0301. T\u00f4\u0301c \u0111\u00f4\u0323 cu\u0309a v\u00e2\u0323t khi co\u0301 \u0111\u00f4\u0323ng n\u0103ng b\u0103\u0300ng th\u00ea\u0301 n\u0103ng la\u0300<\/p>\n<p dir=\"ltr\">A. 2\u221a2 m\/s.<\/p>\n<p dir=\"ltr\">B. 2 m\/s.<\/p>\n<p dir=\"ltr\">C. \u221a2 m\/s.<\/p>\n<p dir=\"ltr\">D. 1 m\/s.\u0110\u00e1p \u00e1n: Ch\u1ecdn A<\/p>\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch: Cho\u0323n m\u00f4\u0301c th\u00ea\u0301 n\u0103ng ta\u0323i m\u0103\u0323t \u0111\u00e2\u0301t.<\/p>\n<p dir=\"ltr\">Bo\u0309 qua s\u01b0\u0301c ca\u0309n kh\u00f4ng khi\u0301 n\u00ean c\u01a1 n\u0103ng \u0111\u01b0\u01a1\u0323c ba\u0309o toa\u0300n: W1 = W2<\/p>\n<p dir=\"ltr\">W\u01111+0 = W\u01112+Wt2=2.W\u01112<\/p>\n<p dir=\"ltr\">v2=v12=42=22 (m\/s)<\/p>\n<p dir=\"ltr\">L\u1eddi k\u1ebft:\u00a0<\/p>\n<\/p>\n<p dir=\"ltr\">Hy v\u1ecdng c\u00e1c th\u00f4ng tin v\u1ec1 C\u01a1 n\u0103ng v\u00e0 \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n c\u01a1 n\u0103ng m\u00e0 Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef \u0111\u00e3 cung c\u1ea5p s\u1ebd gi\u00fap \u00edch cho c\u00e1c em trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i t\u1eadp V\u1eadt L\u00fd li\u00ean quan. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c em c\u0169ng c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam nhi\u1ec1u b\u00e0i vi\u1ebft b\u1ed5 \u00edch kh\u00e1c t\u1ea1i website www.ckconitsha.com\/vn.<\/p>\n<p>Ngu\u1ed3n: <a href=\"https:\/\/www.ckconitsha.com\/vn\/\">https:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u01a1 n\u0103ng l\u00e0 m\u1ed9t trong nh\u1eefng kh\u00e1i ni\u1ec7m \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t trong ch\u01b0\u01a1ng tr\u00ecnh V\u1eadt L\u00fd 10. V\u1eady c\u01a1 n\u0103ng l\u00e0 g\u00ec? \u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n c\u01a1 n\u0103ng \u0111\u01b0\u1ee3c ph\u00e1t bi\u1ec3u nh\u01b0 th\u1ebf n\u00e0o? Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd t\u1ed5ng h\u1ee3p to\u00e0n b\u1ed9 c\u00e1c ki\u1ebfn th\u1ee9c c\u1ea7n thi\u1ebft trong b\u00e0i&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-14095","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14095","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=14095"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14095\/revisions"}],"predecessor-version":[{"id":16793,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14095\/revisions\/16793"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=14095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=14095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=14095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}