{"id":20607,"date":"2025-07-07T19:20:53","date_gmt":"2025-07-07T12:20:53","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=20607"},"modified":"2025-07-07T20:35:25","modified_gmt":"2025-07-07T13:35:25","slug":"giai-thich-dinh-luat-ve-cong-de-hieu-nhat-vat-ly-8-bai-14","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/giai-thich-dinh-luat-ve-cong-de-hieu-nhat-vat-ly-8-bai-14\/","title":{"rendered":"Gi\u1ea3i th\u00edch \u0111\u1ecbnh lu\u1eadt v\u1ec1 c\u00f4ng d\u1ec5 hi\u1ec3u nh\u1ea5t | V\u1eadt l\u00fd 8 b\u00e0i 14"},"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\/giai-thich-dinh-luat-ve-cong-de-hieu-nhat-vat-ly-8-bai-14\/#Cong_khai_la_gi\" >C\u00f4ng khai l\u00e0 g\u00ec?<\/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\/giai-thich-dinh-luat-ve-cong-de-hieu-nhat-vat-ly-8-bai-14\/#Tuyen_bo_noi_dung_cua_phap_luat_doi_voi_cong_chung\" >Tuy\u00ean b\u1ed1 n\u1ed9i dung c\u1ee7a ph\u00e1p lu\u1eadt \u0111\u1ed1i v\u1edbi c\u00f4ng ch\u00fang<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/giai-thich-dinh-luat-ve-cong-de-hieu-nhat-vat-ly-8-bai-14\/#Luat_cong_cong_cho_cac_may_co_khi_don_gian\" >Lu\u1eadt c\u00f4ng c\u1ed9ng cho c\u00e1c m\u00e1y c\u01a1 kh\u00ed \u0111\u01a1n gi\u1ea3n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/giai-thich-dinh-luat-ve-cong-de-hieu-nhat-vat-ly-8-bai-14\/#Da_sua_rong_roc\" >\u0110\u00e3 s\u1eeda r\u00f2ng r\u1ecdc<\/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\/giai-thich-dinh-luat-ve-cong-de-hieu-nhat-vat-ly-8-bai-14\/#Rong_roc_dong\" >R\u00f2ng r\u1ecdc \u0111\u1ed9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/giai-thich-dinh-luat-ve-cong-de-hieu-nhat-vat-ly-8-bai-14\/#Don_bay\" >\u0110\u00f2n b\u1ea9y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/giai-thich-dinh-luat-ve-cong-de-hieu-nhat-vat-ly-8-bai-14\/#Mat_phang_nghieng\" >M\u1eb7t ph\u1eb3ng nghi\u00eang<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/giai-thich-dinh-luat-ve-cong-de-hieu-nhat-vat-ly-8-bai-14\/#Hieu_suat_co_bap_don_gian\" >Hi\u1ec7u su\u1ea5t c\u01a1 b\u1eafp \u0111\u01a1n gi\u1ea3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/giai-thich-dinh-luat-ve-cong-de-hieu-nhat-vat-ly-8-bai-14\/#Giai_quyet_luat_ve_vat_ly_8\" >Gi\u1ea3i quy\u1ebft lu\u1eadt v\u1ec1 v\u1eadt l\u00fd 8<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">Lu\u1eadt c\u1ee7a c\u00f4ng ch\u00fang l\u00e0 m\u1ed9t th\u1eddi gian ng\u1eafn v\u00e0 \u0111\u01a1n gi\u1ea3n, nh\u01b0ng \u0111\u1ec3 hi\u1ec3u b\u1ea3n ch\u1ea5t, ch\u00fang ta c\u1ea7n ph\u00e2n t\u00edch v\u00ed d\u1ee5 ho\u1eb7c c\u00e1c th\u00ed nghi\u1ec7m li\u00ean quan. \u0110\u1ec3 gi\u00fap sinh vi\u00ean d\u1ec5 d\u00e0ng ghi nh\u1edb v\u00e0 \u00e1p d\u1ee5ng lu\u1eadt c\u1ee7a B\u00e0i t\u1eadp c\u00f4ng c\u1ed9ng 8, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong cu\u1ed9c s\u1ed1ng. B\u00e0i vi\u1ebft sau \u0111\u00e2y s\u1ebd gi\u1ea3i th\u00edch lu\u1eadt c\u00f4ng khai theo c\u00e1ch chi ti\u1ebft v\u00e0 \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t. H\u00e3y xem ngay b\u00e2y gi\u1edd! <\/p>\n<p>                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/image\/600x480.png\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cong_khai_la_gi\"><\/span>C\u00f4ng khai l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dinh-luat-ve-cong-1.jpg\" alt=\"L\u00e0 chi\u1ebfc vali k\u00e9o c\u00f4ng vi\u1ec7c? (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u v\u1ec1 lu\u1eadt c\u00f4ng khai, ch\u00fang t\u00f4i nh\u1eafc l\u1ea1i ki\u1ebfn \u200b\u200bth\u1ee9c c\u00f4ng c\u1ed9ng l\u00e0 g\u00ec ho\u1eb7c c\u01a1 h\u1ecdc v\u00e0 c\u01a1 h\u1ecdc l\u00e0 g\u00ec? V\u00ed d\u1ee5, m\u1ed9t ng\u01b0\u1eddi d\u00f9ng k\u00e9o vali t\u1eeb v\u1ecb tr\u00ed A \u0111\u1ebfn B khi ch\u00fang ta n\u00f3i r\u1eb1ng ng\u01b0\u1eddi \u0111\u00f3 \u0111ang th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c.<\/p>\n<p dir=\"ltr\">V\u00ec v\u1eady, trong tr\u01b0\u1eddng h\u1ee3p l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng di chuy\u1ec3n, ch\u00fang t\u00f4i n\u00f3i r\u1eb1ng n\u00f3 c\u00f3 gi\u00e1 tr\u1ecb c\u01a1 h\u1ecdc. <\/p>\n<p dir=\"ltr\">\u0110\u01a1n v\u1ecb c\u1ee7a c\u00f4ng ch\u00fang l\u00e0 Jun (k\u00fd hi\u1ec7u l\u00e0 J), ch\u00fang ta c\u00f3 1J = 1n.1m = 1nm<\/p>\n<p>V\u00ec v\u1eady, c\u00e1c tuy\u00ean b\u1ed1 c\u1ee7a ph\u00e1p lu\u1eadt l\u00e0 g\u00ec? H\u00e3y t\u00ecm hi\u1ec3u v\u1edbi Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef ngay trong ph\u1ea7n ti\u1ebfp theo c\u1ee7a b\u00e0i vi\u1ebft n\u00e0y!<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tuyen_bo_noi_dung_cua_phap_luat_doi_voi_cong_chung\"><\/span>Tuy\u00ean b\u1ed1 n\u1ed9i dung c\u1ee7a ph\u00e1p lu\u1eadt \u0111\u1ed1i v\u1edbi c\u00f4ng ch\u00fang<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Lu\u1eadt c\u00f4ng khai \u0111\u01b0\u1ee3c n\u00eau nh\u01b0 sau:<\/p>\n<p dir=\"ltr\">Lu\u1eadt v\u1ec1 c\u00f4ng khai: <em>Kh\u00f4ng c\u00f3 m\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n mang l\u1ea1i cho ch\u00fang ta l\u1ee3i \u00edch. \u0110\u00e3 bao nhi\u00eau l\u1ea7n \u0111\u1ec3 mang l\u1ea1i l\u1ee3i \u00edch cho l\u1ef1c l\u01b0\u1ee3ng, nhi\u1ec1u l\u1ea7n ra \u0111\u01b0\u1eddng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. <\/em><\/p>\n<p dir=\"ltr\">L\u01b0u \u00fd M\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n bao g\u1ed3m: r\u00f2ng r\u1ecdc, \u0111\u00f2n b\u1ea9y, m\u1eb7t ph\u1eb3ng nghi\u00eang .. (Ki\u1ebfn th\u1ee9c v\u1eadt l\u00fd 6). Nh\u1eefng m\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p cho ch\u00fang ta l\u1ee3i \u00edch nh\u01b0ng l\u00e0 c\u00f3 th\u1eadt. <\/p>\n<p dir=\"ltr\">\u0110\u1ec3 ch\u1ee9ng minh lu\u1eadt tr\u00ean, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 x\u00e1c minh th\u00f4ng qua th\u1eed nghi\u1ec7m \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00e0nh c\u00f4ng nh\u01b0 sau: <\/p>\n<p dir=\"ltr\">Tr\u01b0\u1eddng h\u1ee3p 1: M\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch thay \u0111\u1ed5i tr\u1ecdng l\u01b0\u1ee3ng A theo h\u01b0\u1edbng th\u1eb3ng \u0111\u1ee9ng, sau \u0111\u00f3 k\u00e9o tr\u1ecdng l\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ph\u1ea7n d\u00e0i 2 cm = 0,02 m. L\u1ef1c n\u00e2ng c\u1ee7a b\u00e0n tay (f) c\u00f3 k\u00edch th\u01b0\u1edbc c\u1ee7a tr\u1ecdng l\u01b0\u1ee3ng p c\u1ee7a tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 b\u1eb1ng 1,5 n <\/p>\n<p dir=\"ltr\">V\u00ec v\u1eady, ch\u00fang t\u00f4i t\u00ednh to\u00e1n c\u00f4ng vi\u1ec7c A c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y: a = fs = 1.5.0.02 = 0,03 j <\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dinh-luat-ve-cong-2.jpg\" alt=\"Th\u00ed nghi\u1ec7m ch\u1ee9ng minh lu\u1eadt c\u1ee7a c\u00f4ng ch\u00fang c\u01a1 h\u1ecdc. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Tr\u01b0\u1eddng h\u1ee3p 2: Thay v\u00ec s\u1eed d\u1ee5ng b\u00e0n tay c\u1ee7a b\u1ea1n, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng r\u00f2ng r\u1ecdc \u0111\u1ed9ng \u0111\u1ec3 k\u00e9o tr\u00e1i c\u00e2y \u0111\u1ebfn m\u1ed9t \u0111o\u1ea1n 4 cm (= 0,04 m). K\u00e9o ch\u1eadm sao cho ch\u1ec9 b\u00e1o c\u1ee7a \u0111\u1ed3ng h\u1ed3 kh\u00f4ng thay \u0111\u1ed5i, l\u1ef1c n\u00e2ng c\u1ee7a b\u00e0n tay b\u1eb1ng v\u1edbi s\u1ed1 lu\u1ed3ng. Khi k\u00e9o v\u1eadt th\u1ec3 l\u00ean \u0111\u1ebfn kho\u1ea3ng c\u00e1ch 2 cm, m\u1ea1ng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng 4cm, l\u1ef1c trong tay \u0111\u01b0\u1ee3c \u0111o = 0,75 N. <\/p>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i t\u00ednh to\u00e1n hi\u1ec7u su\u1ea5t khi k\u00e9o \u0111\u1ed1i t\u01b0\u1ee3ng qua r\u00f2ng r\u1ecdc l\u00e0: 0,75.0,04 = 0,03 j <\/p>\n<p dir=\"ltr\">Nh\u1eadn x\u00e9t v\u1ec1 hai tr\u01b0\u1eddng h\u1ee3p tr\u00ean: <\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kho\u1ea3ng c\u00e1ch di chuy\u1ec3n b\u1edfi r\u00f2ng r\u1ecdc l\u1edbn h\u01a1n 2 l\u1ea7n so v\u1edbi kho\u1ea3ng c\u00e1ch \u0111\u1ec3 \u0111i tr\u1ef1c ti\u1ebfp <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u1ef1c k\u00e9o l\u00ean tr\u1ef1c ti\u1ebfp \u0111\u1ebfn l\u1edbn h\u01a1n nh\u01b0ng kho\u1ea3ng c\u00e1ch di chuy\u1ec3n ng\u1eafn h\u01a1n <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u1ef1c k\u00e9o l\u00ean qua r\u00f2ng r\u1ecdc l\u1edbn h\u01a1n nh\u01b0ng kho\u1ea3ng c\u00e1ch di chuy\u1ec3n d\u00e0i h\u01a1n. <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u1ef1c c\u1ee7a hai l\u1ef1c l\u00e0 b\u1eb1ng nhau <\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Th\u00f4ng qua \u1edf tr\u00ean, ch\u00fang t\u00f4i k\u1ebft lu\u1eadn r\u1eb1ng: khi s\u1eed d\u1ee5ng r\u00f2ng r\u1ecdc, n\u00f3 gi\u00fap ch\u00fang t\u00f4i mang l\u1ea1i l\u1ee3i \u00edch hai l\u1ea7n c\u00f3 hi\u1ec7u l\u1ef1c nh\u01b0ng \u0111\u1ed3ng th\u1eddi thi\u1ec7t h\u1ea1i hai l\u1ea7n tr\u00ean \u0111\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u00fang t\u00f4i kh\u00f4ng \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb r\u00f2ng r\u1ecdc \u0111\u1ed9ng. V\u00ec v\u1eady, th\u00f4ng qua \u0111\u00e2y, ch\u00fang t\u00f4i hi\u1ec3u th\u00eam v\u1ec1 lu\u1eadt c\u1ee7a c\u00e1c tuy\u00ean b\u1ed1 c\u00f4ng khai c\u01a1 h\u1ecdc \u1edf tr\u00ean.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Luat_cong_cong_cho_cac_may_co_khi_don_gian\"><\/span>Lu\u1eadt c\u00f4ng c\u1ed9ng cho c\u00e1c m\u00e1y c\u01a1 kh\u00ed \u0111\u01a1n gi\u1ea3n <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">T\u1eeb lu\u1eadt c\u00f4ng khai cho r\u00f2ng r\u1ecdc \u0111\u1ed9ng, ch\u00fang t\u00f4i c\u0169ng \u00e1p d\u1ee5ng n\u00f3 tr\u00ean c\u00e1c m\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n kh\u00e1c nh\u01b0 d\u01b0\u1edbi \u0111\u00e2y. Hi\u1ec3u nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1eebng lo\u1ea1i m\u00e1y s\u1ebd gi\u00fap t\u00ednh to\u00e1n v\u00e0 ch\u1ecdn lo\u1ea1i m\u00e1y th\u00edch h\u1ee3p trong cu\u1ed9c s\u1ed1ng. Th\u00f4ng qua \u0111\u00f3, ch\u00fang t\u00f4i c\u0169ng ch\u1ee9ng minh r\u1eb1ng kh\u00f4ng c\u00f3 m\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n n\u00e0o mang l\u1ea1i cho ch\u00fang t\u00f4i l\u1ee3i \u00edch. <\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Da_sua_rong_roc\"><\/span>\u0110\u00e3 s\u1eeda r\u00f2ng r\u1ecdc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dinh-luat-ve-cong-4.jpg\" alt=\"Lu\u1eadt ph\u00e1p v\u1ec1 c\u00f4ng ch\u00fang tr\u00ean r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">C\u1ed1 \u0111\u1ecbnh r\u00f2ng r\u1ecdc bao g\u1ed3m c\u00e1c b\u00e1nh xe v\u1edbi c\u00e1c r\u00e3nh \u0111\u1ec3 v\u1eaft d\u00e2y. Tr\u1ee5c b\u00e1nh xe \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh <\/p>\n<p dir=\"ltr\">Hi\u1ec7u \u1ee9ng: Khi k\u00e9o \u0111\u1ed1i t\u01b0\u1ee3ng l\u00ean, r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 thay \u0111\u1ed5i h\u01b0\u1edbng k\u00e9o \u0111\u1ed1i t\u01b0\u1ee3ng so v\u1edbi khi k\u00e9o tr\u1ef1c ti\u1ebfp. <\/p>\n<p dir=\"ltr\">V\u00ec v\u1eady, ch\u00fang t\u00f4i n\u00f3i: r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh kh\u00f4ng c\u00f3 l\u1ee3i cho l\u1ef1c l\u01b0\u1ee3ng v\u00e0 con \u0111\u01b0\u1eddng, v\u00ec v\u1eady kh\u00f4ng c\u00f3 l\u1ee3i \u00edch. <\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Rong_roc_dong\"><\/span>R\u00f2ng r\u1ecdc \u0111\u1ed9ng <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dinh-luat-ve-cong-5.jpg\" alt=\"Lu\u1eadt v\u1ec1 r\u00f2ng r\u1ecdc. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">R\u00f2ng r\u1ecdc \u0111\u1ed9ng c\u00f3 t\u00e1c d\u1ee5ng thay \u0111\u1ed5i c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a l\u1ef1c. <\/p>\n<p dir=\"ltr\">S\u1eed d\u1ee5ng r\u00f2ng r\u1ecdc \u0111\u1ec3 l\u00e0m cho ch\u00fang ta c\u00f3 l\u1ee3i hai l\u1ea7n c\u00f3 hi\u1ec7u l\u1ef1c, n\u00f3 c\u0169ng \u0111\u00fang v\u1edbi \u0111\u01b0\u1eddng, v\u00ec v\u1eady kh\u00f4ng c\u00f3 l\u1ee3i \u00edch. <\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Don_bay\"><\/span>\u0110\u00f2n b\u1ea9y <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dinh-luat-ve-cong-6.jpg\" alt=\"Lu\u1eadt v\u1ec1 x\u00e2y d\u1ef1ng c\u00f4ng c\u1ed9ng. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">T\u1eadn d\u1ee5ng c\u00f3 th\u1ec3 c\u00f3 l\u1ee3i cho l\u1ef1c l\u01b0\u1ee3ng, \u0111\u1ebfn \u0111\u01b0\u1eddng ho\u1eb7c \u0111\u1ec3 c\u00f3 l\u1ee3i cho con \u0111\u01b0\u1eddng nh\u01b0ng cho l\u1ef1c l\u01b0\u1ee3ng nh\u01b0ng kh\u00f4ng mang l\u1ea1i l\u1ee3i \u00edch cho c\u00f4ng ch\u00fang. <\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mat_phang_nghieng\"><\/span>M\u1eb7t ph\u1eb3ng nghi\u00eang <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">M\u1eb7t ph\u1eb3ng nghi\u00eang bao g\u1ed3m m\u1ed9t m\u1eb7t ph\u1eb3ng v\u1edbi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u00e0 \u0111i\u1ec3m cu\u1ed1i \u1edf c\u00e1c \u0111\u1ed9 cao kh\u00e1c nhau. M\u1eb7t ph\u1eb3ng nghi\u00eang c\u00f3 l\u1ee3i trong l\u1ef1c nh\u01b0ng n\u00f3 th\u1ef1c s\u1ef1 l\u00e0 v\u1ec1 con \u0111\u01b0\u1eddng. V\u00ec v\u1eady, ch\u00fang t\u00f4i n\u00f3i r\u1eb1ng m\u1eb7t ph\u1eb3ng nghi\u00eang kh\u00f4ng c\u00f3 l\u1ee3i cho c\u00f4ng ch\u00fang. <\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hieu_suat_co_bap_don_gian\"><\/span>Hi\u1ec7u su\u1ea5t c\u01a1 b\u1eafp \u0111\u01a1n gi\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n l\u00e0 g\u00ec? Trong th\u1ef1c t\u1ebf, ch\u00fang ta th\u1ea5y r\u1eb1ng m\u1ecdi m\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n lu\u00f4n t\u1ed3n t\u1ea1i ma s\u00e1t. \u0110\u1ec3 n\u00e2ng \u0111\u1ed1i t\u01b0\u1ee3ng b\u1eb1ng m\u00e1y c\u01a1, n\u00f3 c\u00f3 gi\u00e1 tr\u1ecb g\u1ecdi l\u00e0 A2 v\u00e0 g\u1ecdi vi\u1ec7c n\u00e2ng v\u1eadt khi kh\u00f4ng c\u00f3 ma s\u00e1t l\u00e0 A1<\/p>\n<p dir=\"ltr\">Ch\u00fang ta th\u1ea5y A2 lu\u00f4n l\u1edbn h\u01a1n A1 v\u00ec m\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 n\u00e2ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ea3i c\u00f3 chi ph\u00ed th\u00eam m\u1ed9t ph\u1ea7n c\u1ee7a ma s\u00e1t. A2 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 to\u00e0n b\u1ed9 c\u00f4ng ch\u00fang v\u00e0 A1 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00f4ng ch\u00fang (v\u00e0 c\u00f4ng ch\u00fang gi\u00e0nh \u0111\u01b0\u1ee3c ma s\u00e1t c\u00f3 t\u00ean l\u00e0 Chi ph\u00ed) <\/p>\n<p dir=\"ltr\">C\u00f4ng vi\u1ec7c \u0111\u1ea7y \u0111\u1ee7 = ti\u1ec7n \u00edch c\u00f4ng c\u1ed9ng + ch\u1ea5t th\u1ea3i <\/p>\n<p dir=\"ltr\">T\u1eeb A1 v\u00e0 A2, ch\u00fang t\u00f4i c\u00f3 t\u1ef7 l\u1ec7 A1\/A2 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y. <\/p>\n<p dir=\"ltr\">Hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y c\u01a1 h\u1ecdc ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 H. <\/p>\n<p dir=\"ltr\">M\u1edf r\u1ed9ng: C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t m\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n l\u00e0: <\/p>\n<p dir=\"ltr\">H = (A1\/A2). 100 %<\/p>\n<ul>\n<li dir=\"ltr\">H: Hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n <\/li>\n<li dir=\"ltr\">A1: C\u00f4ng vi\u1ec7c h\u1eefu \u00edch (J) <\/li>\n<li dir=\"ltr\">A2: Ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c (J) <\/li>\n<\/ul>\n<p dir=\"ltr\">V\u00ec A2 lu\u00f4n l\u1edbn h\u01a1n A1, hi\u1ec7u qu\u1ea3 lu\u00f4n d\u01b0\u1edbi 100% <\/p>\n<p dir=\"ltr\">Xem th\u00eam: T\u00f3m t\u1eaft ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 C\u01a1 h\u1ecdc &amp; B\u00e0i t\u1eadp th\u1ef1c h\u00e0nh th\u1ec3 ch\u1ea5t 8<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giai_quyet_luat_ve_vat_ly_8\"><\/span>Gi\u1ea3i quy\u1ebft lu\u1eadt v\u1ec1 v\u1eadt l\u00fd 8   <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ngo\u00e0i c\u00e1c c\u00e2u h\u1ecfi l\u00fd thuy\u1ebft nh\u01b0 &#8220;Vui l\u00f2ng n\u00eau lu\u1eadt v\u1ec1 v\u1eadt l\u00fd l\u1edbp 8?&#8221;. Trong tr\u01b0\u1eddng l\u1edbp 8, b\u1ea1n c\u0169ng s\u1ebd b\u1eaft g\u1eb7p c\u00e1c lo\u1ea1i b\u00e0i t\u1eadp sau:<\/p>\n<p dir=\"ltr\">C\u00e2u 1: K\u00e9o hai h\u1ed9p \u0111\u1ec1u, m\u1ed7i h\u1ed9p n\u1eb7ng 500n tr\u00ean s\u00e0n xe c\u00e1ch m\u1eb7t \u0111\u1ea5t 1m c\u00e1ch m\u1ed9t t\u1ea5m v\u00e1n nghi\u00eang (ma s\u00e1t g\u1ea7n nh\u01b0 l\u00e0 kh\u00f4ng). K\u00e9o th\u00f9ng \u0111\u1ea7u ti\u00ean ch\u00fang t\u00f4i s\u1eed d\u1ee5ng b\u1ea3ng d\u00e0i 4m. K\u00e9o th\u00f9ng th\u1ee9 hai b\u1eb1ng b\u1ea3ng d\u00e0i 2m. H\u1ecfi: <\/p>\n<p dir=\"ltr\">Ah, trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o l\u00e0 l\u1ef1c k\u00e9o v\u1edbi l\u1ef1c nh\u1ecf h\u01a1n v\u00e0 nh\u1ecf h\u01a1n? <\/p>\n<p dir=\"ltr\">B, tr\u01b0\u1eddng h\u1ee3p n\u00e0o l\u00e0 n\u1ed7 l\u1ef1c nhi\u1ec1u h\u01a1n? <\/p>\n<p dir=\"ltr\">C, n\u1ed7 l\u1ef1c c\u1ee7a l\u1ef1c k\u00e9o c\u1ee7a h\u1ed9p trong m\u00e1y bay nghi\u00eang tr\u00ean s\u00e0n xe. <\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: <\/p>\n<p dir=\"ltr\">A, v\u00ec m\u1eb7t ph\u1eb3ng nghi\u00eang l\u00e0 m\u1ed9t m\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n kh\u00f4ng c\u00f3 l\u1ee3i cho c\u00f4ng ch\u00fang, v\u00ec v\u1eady n\u00f3 s\u1ebd c\u00f3 l\u1ee3i hai l\u1ea7n tr\u00ean \u0111\u01b0\u1eddng, n\u00f3 s\u1ebd g\u1ea5p \u0111\u00f4i \u0111\u1ec3 bu\u1ed9c. Plank d\u00e0i 4 m\u00e9t d\u00e0i h\u01a1n 2 l\u1ea7n so v\u1edbi b\u1ea3ng d\u00e0i 2m, do \u0111\u00f3 l\u1ef1c k\u00e9o b\u1ea3ng th\u1ee9 nh\u1ea5t nh\u1ecf h\u01a1n 2 l\u1ea7n so v\u1edbi l\u1ef1c k\u00e9o th\u1ee9 2. <\/p>\n<p dir=\"ltr\">B, c\u00f4ng khai trong hai tr\u01b0\u1eddng h\u1ee3p b\u1eb1ng nhau <\/p>\n<p dir=\"ltr\">C, k\u00e9o c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong m\u1eb7t ph\u1eb3ng nghi\u00eang b\u1eb1ng c\u00e1ch k\u00e9o \u0111\u1ed1i t\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp theo h\u01b0\u1edbng d\u1ecdc. <\/p>\n<p dir=\"ltr\">A = ph = 500. 1 = 500 (j) <\/p>\n<p dir=\"ltr\">C\u00e2u 2: M\u1ecdi ng\u01b0\u1eddi mang m\u1ed9t v\u1eadt n\u1eb7ng \u0111\u1ebfn chi\u1ec1u cao h theo hai c\u00e1ch. C\u00e1ch \u0111\u1ea7u ti\u00ean, k\u00e9o \u0111\u1ed1i t\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp theo h\u01b0\u1edbng th\u1eb3ng \u0111\u1ee9ng. C\u00e1ch th\u1ee9 hai, k\u00e9o v\u1eadt th\u1ec3 trong m\u1eb7t ph\u1eb3ng nghi\u00eang v\u1edbi chi\u1ec1u d\u00e0i g\u1ea5p \u0111\u00f4i chi\u1ec1u cao h. N\u1ebfu b\u1ea1n b\u1ecf qua ma s\u00e1t trong m\u1eb7t ph\u1eb3ng nghi\u00eang: <\/p>\n<p dir=\"ltr\">A. Th\u1ef1c hi\u1ec7n theo c\u00e1ch th\u1ee9 hai l\u1edbn h\u01a1n v\u00ec \u0111\u01b0\u1eddng l\u00e0 hai l\u1ea7n.<\/p>\n<p dir=\"ltr\">B. Th\u1ef1c hi\u1ec7n trong l\u1ea7n th\u1ee9 hai l\u00e0 nh\u1ecf h\u01a1n v\u00ec l\u1ef1c k\u00e9o trong m\u1eb7t ph\u1eb3ng nghi\u00eang nh\u1ecf h\u01a1n.<\/p>\n<p dir=\"ltr\">C. th\u1ef1c hi\u1ec7n theo c\u00e1ch \u0111\u1ea7u ti\u00ean l\u1edbn h\u01a1n v\u00ec l\u1ef1c k\u00e9o l\u1edbn h\u01a1n.<\/p>\n<p dir=\"ltr\">D. \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo c\u00e1ch \u0111\u1ea7u ti\u00ean l\u00e0 nh\u1ecf h\u01a1n v\u00ec \u0111\u01b0\u1eddng d\u1eabn c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng ch\u1ec9 l\u00e0 m\u1ed9t n\u1eeda \u0111\u01b0\u1eddng d\u1eabn c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng theo c\u00e1ch th\u1ee9 hai.<\/p>\n<p dir=\"ltr\">E. th\u1ef1c hi\u1ec7n theo hai c\u00e1ch b\u1eb1ng nhau.<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: e<\/p>\n<p dir=\"ltr\">C\u00e2u 3: C\u00f3 hai c\u00f4ng nh\u00e2n h\u00e0ng ng\u00e0y \u0111\u1ec3 s\u01a1n c\u00e1c th\u00f9ng s\u01a1n, m\u1ed7i c\u00f4ng nh\u00e2n n\u1eb7ng 500n tr\u00ean xe t\u1ea3i, m\u1ed7i c\u00f4ng nh\u00e2n mang 5 t\u1ea5n, s\u00e0n xe c\u00e1ch m\u1eb7t \u0111\u1ea5t 0,8m. M\u1ed9t ng\u01b0\u1eddi \u1ee7ng h\u1ed9 mang x\u00f4 s\u01a1n v\u00e0o xe, m\u1ed9t ng\u01b0\u1eddi d\u00f9ng nghi\u00eang, sau \u0111\u00f3 \u0111\u1ea9y th\u00f9ng s\u01a1n l\u00ean.<\/p>\n<p dir=\"ltr\">A, theo hai c\u00e1ch n\u00e0y, \u0111i\u1ec1u g\u00ec c\u00f3 l\u1ee3i h\u01a1n cho c\u00f4ng vi\u1ec7c? C\u00e1ch \u0111\u1ea7u ti\u00ean \u0111\u1ec3 h\u01b0\u1edfng l\u1ee3i l\u00e0 g\u00ec? C\u00e1ch th\u1ee9 hai \u0111\u1ec3 h\u01b0\u1edfng l\u1ee3i l\u00e0 g\u00ec?<\/p>\n<p dir=\"ltr\">B, C\u00f4ng \u0111\u1ee9c m\u00e0 m\u1ed7i c\u00f4ng nh\u00e2n ph\u1ea3i s\u1ea3n xu\u1ea5t \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y m\u1ed9t chi\u1ebfc xe h\u01a1i. B\u1ecf qua ma s\u00e1t trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p.<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: <\/p>\n<p dir=\"ltr\">Ah, theo c\u1ea3 hai c\u00e1ch \u0111\u1ec3 l\u00e0m nh\u01b0 v\u1eady. C\u00e1ch \u0111\u1ea7u ti\u00ean cho l\u1ee3i \u00edch v\u1ec1 con \u0111\u01b0\u1eddng. C\u00e1ch th\u1ee9 hai cho l\u1ee3i \u00edch.<\/p>\n<p dir=\"ltr\">B, khi m\u1ed9t chi\u1ebfc \u00f4 t\u00f4 \u0111\u1ea7y, m\u1ed7i c\u00f4ng nh\u00e2n ph\u1ea3i th\u1ef1c hi\u1ec7n tr\u1ecdng l\u01b0\u1ee3ng \u0111\u1ec3 mang l\u1ea1i tr\u1ecdng l\u01b0\u1ee3ng 5 t\u1ea5n (5000 kg) s\u01a1n (P = 10.M = 10,5000 = 50000 N) \u0111\u1ebfn \u0111\u1ed9 cao 0,8 m.<\/p>\n<p dir=\"ltr\">V\u00ec v\u1eady, c\u00f4ng vi\u1ec7c m\u00e0 m\u1ed7i c\u00f4ng nh\u00e2n ph\u1ea3i s\u1ea3n xu\u1ea5t \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y m\u1ed9t chi\u1ebfc xe h\u01a1i \u0111\u1ea7y xe h\u01a1i: <\/p>\n<p dir=\"ltr\">A = P. H = 50000.0.8 = 40000J.<\/p>\n<p dir=\"ltr\">C\u00e2u 4: Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang khi n\u00f3i v\u1ec1 m\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n? <\/p>\n<p dir=\"ltr\">A. M\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n kh\u00f4ng c\u00f3 l\u1ee3i cho c\u00f4ng ch\u00fang.<\/p>\n<p dir=\"ltr\">B. M\u00e1y m\u00f3c c\u01a1 h\u1ecdc ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 cho s\u1ee9c m\u1ea1nh.<\/p>\n<p dir=\"ltr\">C. M\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n lu\u00f4n tr\u00ean \u0111\u01b0\u1eddng.<\/p>\n<p dir=\"ltr\">D. M\u00e1y c\u01a1 kh\u00ed \u0111\u01a1n gi\u1ea3n cho c\u1ea3 l\u1ef1c v\u00e0 \u0111\u01b0\u1eddng d\u1eabn.<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: a <\/p>\n<p dir=\"ltr\">C\u00e2u 5: S\u1eed d\u1ee5ng phanh \u0111\u1ec3 \u0111\u01b0a m\u1ed9t v\u1eadt n\u1eb7ng 200N l\u00ean cao 20 cm, ng\u01b0\u1eddi ta ph\u1ea3i s\u1eed d\u1ee5ng l\u1ef1c F k\u00e9o d\u00e2y \u0111\u1ebfn \u0111o\u1ea1n 1,6 m. T\u00ednh to\u00e1n l\u1ef1c k\u00e9o v\u00e0 sinh. Gi\u1ea3 s\u1eed ma s\u00e1t trong r\u00f2ng r\u1ecdc l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3.<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: V\u00ec s = 1.6m; H = 20cm = 0,2m V\u00ec v\u1eady, \u0111\u01b0\u1eddng d\u1eabn c\u1ee7a l\u1ef1c k\u00e9o F g\u1ea5p 8 l\u1ea7n \u0111\u01b0\u1eddng d\u1eabn c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng. V\u00ec v\u1eady, ch\u00fang t\u00f4i c\u00f3 l\u1ee3i 8 l\u1ea7n trong l\u1ef1c l\u01b0\u1ee3ng.<\/p>\n<p dir=\"ltr\">L\u1ef1c k\u00e9o l\u00e0: f = p\/8 = 25 n <\/p>\n<p dir=\"ltr\">V\u00ec v\u1eady, vi\u1ec7c sinh l\u00e0: a = fs = 25.1.6 = 40J<\/p>\n<p dir=\"ltr\">B\u00e0i vi\u1ebft tr\u00ean \u0111\u00e3 tr\u1ea3 l\u1eddi t\u1ea5t c\u1ea3 c\u00e1c lu\u1eadt c\u1ee7a c\u00e1c sinh vi\u00ean. Kh\u1ec9 hy v\u1ecdng r\u1eb1ng v\u1edbi l\u01b0\u1ee3ng ki\u1ebfn \u200b\u200bth\u1ee9c n\u00e0y, t\u1ea5t c\u1ea3 ch\u00fang \u0111\u1ec1u hi\u1ec3u b\u1ea3n ch\u1ea5t v\u00e0 bi\u1ebft c\u00e1ch \u00e1p d\u1ee5ng ch\u00fang trong th\u1ef1c t\u1ebf sau n\u00e0y. <\/p>\n<p>Ngu\u1ed3n: <a href=\"http:\/\/www.ckconitsha.com\/vn\/\">http:\/\/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>Lu\u1eadt c\u1ee7a c\u00f4ng ch\u00fang l\u00e0 m\u1ed9t th\u1eddi gian ng\u1eafn v\u00e0 \u0111\u01a1n gi\u1ea3n, nh\u01b0ng \u0111\u1ec3 hi\u1ec3u b\u1ea3n ch\u1ea5t, ch\u00fang ta c\u1ea7n ph\u00e2n t\u00edch v\u00ed d\u1ee5 ho\u1eb7c c\u00e1c th\u00ed nghi\u1ec7m li\u00ean quan. \u0110\u1ec3 gi\u00fap sinh vi\u00ean d\u1ec5 d\u00e0ng ghi nh\u1edb v\u00e0 \u00e1p d\u1ee5ng lu\u1eadt c\u1ee7a B\u00e0i t\u1eadp c\u00f4ng c\u1ed9ng 8, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong cu\u1ed9c s\u1ed1ng. 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-20607","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20607","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=20607"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20607\/revisions"}],"predecessor-version":[{"id":24695,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20607\/revisions\/24695"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=20607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=20607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=20607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}