{"id":18827,"date":"2025-07-06T16:25:04","date_gmt":"2025-07-06T09:25:04","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=18827"},"modified":"2025-07-09T02:05:36","modified_gmt":"2025-07-08T19:05:36","slug":"tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/","title":{"rendered":"T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c l\u1ef1c h\u01b0\u1edbng t\u00e2m (d\u1ec5 hi\u1ec3u nh\u1ea5t) V\u1eadt L\u00fd 10"},"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\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/#Trung_tam_cua_tam_tri_la_gi\" >Trung t\u00e2m c\u1ee7a t\u00e2m tr\u00ed l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/#Dinh_nghia\" >\u0110\u1ecbnh ngh\u0129a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/#Vi_du_ve_luc_luong_trung_tam\" >V\u00ed d\u1ee5 v\u1ec1 l\u1ef1c l\u01b0\u1ee3ng trung t\u00e2m<\/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\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/#Nguon_goc_cua_trung_tam_luc_luong\" >Ngu\u1ed3n g\u1ed1c c\u1ee7a trung t\u00e2m l\u1ef1c l\u01b0\u1ee3ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/#Dac_diem_cua_luc_luong_trung_tam\" >\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a l\u1ef1c l\u01b0\u1ee3ng trung t\u00e2m<\/a><\/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\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/#Cong_thuc_dinh_huong_tam_tri\" >C\u00f4ng th\u1ee9c \u0111\u1ecbnh h\u01b0\u1edbng t\u00e2m tr\u00ed<\/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\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/#Ap_dung_luc_luong_trung_tam\" >\u00c1p d\u1ee5ng l\u1ef1c l\u01b0\u1ee3ng trung t\u00e2m<\/a><\/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\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/#Chuyen_dong_trung_tam_Li\" >Chuy\u1ec3n \u0111\u1ed9ng trung t\u00e2m Li<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/#Chuyen_dong_ly_tam_la_gi\" >Chuy\u1ec3n \u0111\u1ed9ng ly t\u00e2m l\u00e0 g\u00ec?<\/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\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/#Ap_dung_chuyen_dong_ly_tam\" >\u00c1p d\u1ee5ng chuy\u1ec3n \u0111\u1ed9ng ly t\u00e2m<\/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\/tong-hop-kien-thuc-luc-huong-tam-de-hieu-nhat-vat-ly-10\/#Bai_tap_luc_tam_ly_lop_10_voi_giai_phap\" >B\u00e0i t\u1eadp l\u1ef1c t\u00e2m l\u00fd l\u1edbp 10 (v\u1edbi gi\u1ea3i ph\u00e1p)<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">Trong Ch\u01b0\u01a1ng tr\u00ecnh V\u1eadt l\u00fd 10, h\u1ecd s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 m\u1ed9t lo\u1ea1i l\u1ef1c kh\u00f4ng qu\u00e1 m\u1edbi, nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u b\u1ea3n ch\u1ea5t c\u1ee7a n\u00f3, \u0111\u00f3 l\u00e0 t\u00e2m tr\u00ed. Trong b\u00e0i vi\u1ebft n\u00e0y, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd t\u00f3m t\u1eaft t\u1ea5t c\u1ea3 c\u00e1c ki\u1ebfn \u200b\u200bth\u1ee9c xung quanh trung t\u00e2m c\u1ee7a t\u00e2m tr\u00ed theo c\u00e1ch d\u1ec5 hi\u1ec3u nh\u1ea5t. \u0110\u1ecdc b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y ngay b\u00e2y gi\u1edd!<\/p>\n<p>                                                                    <\/p>\n<p class=\"title\">H\u00e0ng tri\u1ec7u tr\u1ebb em \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 n\u0103ng ng\u00f4n ng\u1eef c\u1ee7a ch\u00fang th\u00f4ng qua c\u00e1c \u1ee9ng d\u1ee5ng h\u1ecdc t\u1eadp c\u1ee7a kh\u1ec9<\/p>\n<p class=\"description\">\u0110\u0103ng k\u00fd ngay \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed v\u1ec1 c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0 tuy\u1ebfn h\u1ecdc h\u1ecdc cho tr\u1ebb em.<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra t\u00ean \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a b\u1ea1n *Vui l\u00f2ng ki\u1ec3m tra s\u1ed1 \u0111i\u1ec7n tho\u1ea1i h\u01a1n 2.000 t\u1eeb &amp; 6.000 c\u00e2u ti\u1ebfng Anh \u0111\u1ec3 ph\u00e1t tri\u1ec3n to\u00e0n di\u1ec7n 4 k\u1ef9 n\u0103ng ti\u1ebfng Anh t\u1ed1t &#8211; ti\u1ebfng Anh theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng EQ &amp; Vi\u1ec7t Nam *B\u1ea1n ch\u01b0a ch\u1ecdn b\u1ea5t k\u1ef3 m\u1ee5c n\u00e0o! \u0110\u0103ng k\u00fd t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Trung_tam_cua_tam_tri_la_gi\"><\/span>Trung t\u00e2m c\u1ee7a t\u00e2m tr\u00ed l\u00e0 g\u00ec? <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L\u00e0 m\u1ed9t ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 v\u1eadt l\u00fd, khi t\u00ecm hi\u1ec3u v\u1ec1 l\u1ef1c l\u01b0\u1ee3ng c\u1ee7a t\u00e2m tr\u00ed b\u1ea1n c\u1ea7n hi\u1ec3u:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dinh_nghia\"><\/span>\u0110\u1ecbnh ngh\u0129a <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00e1c l\u1ef1c (ho\u1eb7c l\u1ef1c c\u1ee7a c\u00e1c l\u1ef1c) t\u00e1c \u0111\u1ed9ng l\u00ean m\u1ed9t chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n th\u1ed1ng nh\u1ea5t v\u00e0 l\u00e0m cho m\u00e1y gia t\u1ed1c ly t\u00e2m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u1ef1c l\u01b0\u1ee3ng trung t\u00e2m.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Vi_du_ve_luc_luong_trung_tam\"><\/span>V\u00ed d\u1ee5 v\u1ec1 l\u1ef1c l\u01b0\u1ee3ng trung t\u00e2m <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\/luc-huong-tam-2.jpg\" alt=\"Tr\u1ecdng l\u1ef1c gi\u1eefa tr\u00e1i \u0111\u1ea5t v\u00e0 v\u1ec7 tinh nh\u00e2n t\u1ea1o \u0111\u00f3ng m\u1ed9t vai tr\u00f2 trong t\u00e2m tr\u00ed. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Tr\u1ecdng l\u1ef1c gi\u1eefa tr\u00e1i \u0111\u1ea5t v\u00e0 v\u1ec7 tinh nh\u00e2n t\u1ea1o \u0111\u00f3ng m\u1ed9t vai tr\u00f2 trong trung t\u00e2m c\u1ee7a t\u00e2m tr\u00ed, gi\u1eef cho v\u1ec7 tinh nh\u00e2n t\u1ea1o di chuy\u1ec3n quanh tr\u00e1i \u0111\u1ea5t.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1ef1 c\u0103ng th\u1eb3ng c\u1ee7a d\u00e2y \u0111\u00e3 gi\u1eef cho chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n \u0111\u1ec1u, cho th\u1ea5y s\u1ef1 c\u0103ng th\u1eb3ng \u0111\u00f3ng vai tr\u00f2 c\u1ee7a t\u00e2m tr\u00ed.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1eb7t m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng tr\u00ean b\u1ea3ng xoay, l\u1ef1c ma s\u00e1t ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u1ef1c \u0111\u1ec3 gi\u1eef cho \u0111\u1ed1i t\u01b0\u1ee3ng di chuy\u1ec3n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00e1c con \u0111\u01b0\u1eddng xe h\u01a1i v\u00e0 \u0111\u01b0\u1eddng s\u1eaft trong c\u00e1c ph\u1ea7n cong c\u1ea7n ph\u1ea3i nghi\u00eang v\u1ec1 ph\u00eda trung t\u00e2m cong \u0111\u1ec3 k\u1ebft h\u1ee3p l\u1ef1c gi\u1eefa tr\u1ecdng l\u1ef1c v\u00e0 ph\u1ea3n l\u1ef1c c\u1ee7a m\u1eb7t \u0111\u01b0\u1eddng, t\u1ea1o ra l\u1ef1c trung t\u00e2m \u0111\u1ec3 gi\u1eef cho xe v\u00e0 con t\u00e0u d\u1ec5 d\u00e0ng di chuy\u1ec3n tr\u00ean qu\u1ef9 \u0111\u1ea1o.<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Nguon_goc_cua_trung_tam_luc_luong\"><\/span>Ngu\u1ed3n g\u1ed1c c\u1ee7a trung t\u00e2m l\u1ef1c l\u01b0\u1ee3ng <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ed1i v\u1edbi m\u1ed9t v\u1ec7 tinh bay tr\u00ean qu\u1ef9 \u0111\u1ea1o xoay quanh tr\u00e1i \u0111\u1ea5t, trung t\u00e2m c\u1ee7a t\u00e2m tr\u00ed \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi tr\u1ecdng l\u1ef1c gi\u1eefa v\u1ec7 tinh v\u00e0 tr\u00e1i \u0111\u1ea5t, l\u1ef1c h\u01b0\u1edbng v\u1ec1 trung t\u00e2m c\u1ee7a hai v\u1eadt th\u1ec3. \u0110\u1ed1i v\u1edbi m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o \u0111\u1ea7u c\u1ee7a m\u1ed9t s\u1ee3i d\u00e2y quay trong tr\u1ee5c th\u1eb3ng \u0111\u1ee9ng, l\u1ef1c trung t\u00e2m l\u00e0 th\u00e0nh ph\u1ea7n ngang c\u1ee7a l\u1ef1c c\u0103ng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00e2m kh\u1ed1i gi\u1eefa tr\u1ee5c quay v\u00e0 v\u1eadt quay. \u0110\u1ed1i v\u1edbi m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111ang xoay quanh ch\u00ednh n\u00f3, s\u1ee9c c\u0103ng b\u00ean trong l\u00e0 trung t\u00e2m c\u1ee7a t\u00e2m tr\u00ed gi\u1eef cho \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ed9t kh\u1ed1i.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dac_diem_cua_luc_luong_trung_tam\"><\/span>\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a l\u1ef1c l\u01b0\u1ee3ng trung t\u00e2m <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">B\u1ea3n ch\u1ea5t c\u1ee7a t\u00e2m tr\u00ed v\u1ed1n kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t lo\u1ea1i l\u1ef1c m\u1edbi. L\u1ef1c trung t\u00e2m l\u00e0 l\u1ef1c c\u1ee7a c\u00e1c l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng, gi\u1eef cho \u0111\u1ed1i t\u01b0\u1ee3ng di chuy\u1ec3n \u0111\u1ec1u v\u00e0 g\u00e2y ra gia t\u1ed1c trung t\u00e2m cho \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n<p dir=\"ltr\">H\u01b0\u1edbng c\u1ee7a trung t\u00e2m c\u1ee7a b\u00e1n k\u00ednh qu\u1ef9 \u0111\u1ea1o v\u00e0 c\u00f3 xu h\u01b0\u1edbng \u0111\u1ebfn trung t\u00e2m quay, c\u00f3 m\u1ed9t \u0111i\u1ec3m \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: l\u1ef1c c\u0103ng d\u00e2y <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cong-thuc-luc-huong-tam.JPG\" alt=\"\" width=\"23\" height=\"24\"> v\u00e0 tr\u1ecdng l\u1ef1c <img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cong-thuc.JPG\" alt=\"\" width=\"19\" height=\"25\"> C\u00f3 m\u1ed9t vai tr\u00f2 trong t\u00e2m tr\u00ed. L\u1ef1c n\u00e0y c\u00f3 b\u00e1n k\u00ednh v\u00e0 c\u00f3 xu h\u01b0\u1edbng chuy\u1ec3n sang trung t\u00e2m c\u1ee7a v\u00f2ng quay O. <\/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\/luc-huong-tam-3.png\" alt=\"\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a l\u1ef1c l\u01b0\u1ee3ng trung t\u00e2m. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cong_thuc_dinh_huong_tam_tri\"><\/span>C\u00f4ng th\u1ee9c \u0111\u1ecbnh h\u01b0\u1edbng t\u00e2m tr\u00ed <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\/tinh-luc-huong-tam.JPG\" alt=\"\" width=\"100%\"><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.7999999999999998;background-color: #ffffff;margin-top: 0pt;margin-bottom: 9pt\">Trong \u0111\u00f3:<\/p>\n<ul>\n<li dir=\"ltr\" style=\"line-height: 1.8;background-color: #ffffff\" role=\"presentation\">  FHT: l\u00e0 l\u1ef1c l\u01b0\u1ee3ng trung t\u00e2m (n)<\/li>\n<li dir=\"ltr\" style=\"line-height: 1.8;background-color: #ffffff\" role=\"presentation\">  AHT: L\u00e0 trung t\u00e2m c\u1ee7a trung t\u00e2m (M\/S2)<\/li>\n<li dir=\"ltr\" role=\"presentation\">  M: Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng (kg)<\/li>\n<li dir=\"ltr\" role=\"presentation\">  R: L\u00e0 b\u00e1n k\u00ednh qu\u1ef9 \u0111\u1ea1o tr\u00f2n (M)<\/li>\n<li dir=\"ltr\" role=\"presentation\">  V: l\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n (M\/s)<\/li>\n<li dir=\"ltr\" role=\"presentation\">  \u03a9: t\u1ed1c \u0111\u1ed9 g\u00f3c c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ec1u (rad\/s)<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ap_dung_luc_luong_trung_tam\"><\/span>\u00c1p d\u1ee5ng l\u1ef1c l\u01b0\u1ee3ng trung t\u00e2m <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">C\u00e1c l\u1ef1c l\u01b0\u1ee3ng trung t\u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u00e1y ly t\u00e2m trong ph\u00f2ng th\u00ed nghi\u1ec7m. \u1ede \u0111\u00e2y, c\u00e1c h\u1ea1t l\u01a1 l\u1eedng trong ch\u1ea5t l\u1ecfng v\u00e0 \u0111\u01b0\u1ee3c t\u00e1ch ra kh\u1ecfi ch\u1ea5t l\u1ecfng v\u1edbi c\u00e1c \u1ed1ng gia t\u1ed1c \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u1ec3 c\u00e1c h\u1ea1t n\u1eb7ng h\u01a1n \u0111\u01b0\u1ee3c k\u00e9o v\u1ec1 ph\u00eda d\u01b0\u1edbi c\u1ee7a c\u00e1c \u1ed1ng. <\/p>\n<p dir=\"ltr\">C\u00e1c l\u1ef1c l\u01b0\u1ee3ng trung t\u00e2m c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n \u0111\u01b0\u1eddng cong cho \u00f4 t\u00f4 v\u00e0 \u0111\u01b0\u1eddng s\u1eaft, gi\u00fap t\u00e0u di chuy\u1ec3n xe d\u1ec5 d\u00e0ng.<\/p>\n<p dir=\"ltr\">\u1ee8ng d\u1ee5ng trong v\u00f2ng quay t\u1ea1i c\u00e1c c\u00f4ng vi\u00ean gi\u1ea3i tr\u00ed, &#8230;.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Chuyen_dong_trung_tam_Li\"><\/span>Chuy\u1ec3n \u0111\u1ed9ng trung t\u00e2m Li <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Trong l\u1ef1c l\u01b0\u1ee3ng ch\u00ednh x\u00e1c, h\u1ecd c\u1ea7n bi\u1ebft th\u00eam v\u1ec1 s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a t\u00e2m tr\u00ed \u0111\u1ec3 gi\u1ea3i quy\u1ebft b\u00e0i t\u1eadp ch\u00ednh x\u00e1c. C\u1ee5 th\u1ec3:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Chuyen_dong_ly_tam_la_gi\"><\/span>Chuy\u1ec3n \u0111\u1ed9ng ly t\u00e2m l\u00e0 g\u00ec? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi \u0111\u1eb7t \u0111\u1ed1i t\u01b0\u1ee3ng l\u00ean b\u00e0n xoay, n\u1ebfu b\u1ea3ng xoay qu\u00e1 nhanh, l\u1ef1c ma s\u00e1t kh\u00f4ng \u0111\u1ee7 l\u1edbn \u0111\u1ec3 \u0111\u00f3ng vai tr\u00f2 c\u1ee7a t\u00e2m tr\u00ed, v\u00ec v\u1eady v\u1eadt th\u1ec3 s\u1ebd tr\u01b0\u1ee3t kh\u1ecfi trung t\u00e2m c\u1ee7a b\u00e0n v\u00e0 v\u0103ng ra kh\u1ecfi b\u00e0n theo qu\u1ef9 \u0111\u1ea1o. Chuy\u1ec3n \u0111\u1ed9ng nh\u01b0 v\u1eady c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 chuy\u1ec3n \u0111\u1ed9ng ly t\u00e2m.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ap_dung_chuyen_dong_ly_tam\"><\/span>\u00c1p d\u1ee5ng chuy\u1ec3n \u0111\u1ed9ng ly t\u00e2m <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Chuy\u1ec3n \u0111\u1ed9ng ly t\u00e2m c\u00f3 r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf, v\u00ed d\u1ee5: m\u00e1y chi\u1ebft ly t\u00e2m (c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp l\u00e0 m\u00e1y gi\u1eb7t \u1edf ch\u1ebf \u0111\u1ed9 spin, t\u1ed1c \u0111\u1ed9 quay c\u1ee7a th\u00f9ng gi\u1eb7t l\u1edbn khi\u1ebfn n\u01b0\u1edbc v\u0103ng ra kh\u1ecfi v\u1ea3i).<\/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\/luc-huong-tam-4.jpg\" alt=\"\u00c1p d\u1ee5ng chuy\u1ec3n \u0111\u1ed9ng ly t\u00e2m trong th\u1ef1c t\u1ebf. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Xem th\u00eam: \u00c1nh s\u00e1ng tr\u1eafng l\u00e0 g\u00ec? Ph\u00e2n bi\u1ec7t \u00e1nh s\u00e1ng tr\u1eafng v\u00e0 \u00e1nh s\u00e1ng m\u00e0u<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_luc_tam_ly_lop_10_voi_giai_phap\"><\/span>B\u00e0i t\u1eadp l\u1ef1c t\u00e2m l\u00fd l\u1edbp 10 (v\u1edbi gi\u1ea3i ph\u00e1p)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">B\u00e0i t\u1eadp 1: M\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111ang di chuy\u1ec3n \u0111\u1ec1u \u0111\u1eb7n d\u01b0\u1edbi \u1ea3nh h\u01b0\u1edfng c\u1ee7a trung t\u00e2m c\u1ee7a trung t\u00e2m F. N\u1ebfu b\u00e1n k\u00ednh c\u1ee7a qu\u1ef9 \u0111\u1ea1o cao g\u1ea5p \u0111\u00f4i so v\u1edbi tr\u01b0\u1edbc \u0111\u00e2y v\u00e0 \u0111\u1ed3ng th\u1eddi s\u1ebd gi\u1ea3m t\u1ed1c \u0111\u1ed9 quay xu\u1ed1ng m\u1ed9t n\u1eeda, so v\u1edbi h\u01b0\u1edbng ban \u0111\u1ea7u, h\u01b0\u1edbng l\u1ef1c c\u1ee7a trung t\u00e2m<\/p>\n<p dir=\"ltr\">        A. Gi\u1ea3m 8 l\u1ea7n.<\/p>\n<p dir=\"ltr\">        B. Gi\u1ea3m gi\u00e1 4 l\u1ea7n.<\/p>\n<p dir=\"ltr\">        C. Gi\u1ea3m gi\u00e1 2 l\u1ea7n.<\/p>\n<p dir=\"ltr\">        D. kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n<p dir=\"ltr\">H\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\">C\u00e2u h\u1ecfi a<\/p>\n<p dir=\"ltr\">B\u00e0i t\u1eadp 2: M\u1ed9t v\u1eadt th\u1ec3 nh\u1ecf kh\u1ed1i l\u01b0\u1ee3ng 250 g di chuy\u1ec3n \u0111\u1ec1u trong qu\u1ef9 \u0111\u1ea1o 1,2 m. Bi\u1ebft trong 1 ph\u00fat c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng xoay 120 v\u00f2ng. \u0110\u1ed9 l\u1edbn c\u1ee7a l\u1ef1c \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng trung t\u00e2m g\u00e2y ra chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng<\/p>\n<p dir=\"ltr\">        A. 47.3 N.<\/p>\n<p dir=\"ltr\">        B. 3,8 N.<\/p>\n<p dir=\"ltr\">        C. 4,5 N.<\/p>\n<p dir=\"ltr\">        D. 46.4 N.<\/p>\n<p dir=\"ltr\">H\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\">C\u00e2u h\u1ecfi a<\/p>\n<p dir=\"ltr\">B\u00e0i t\u1eadp 3: M\u1ed9t chi\u1ebfc xe c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 4 t\u1ea5n di chuy\u1ec3n qua m\u1ed9t c\u00e2y c\u1ea7u nh\u00f4 ra v\u1edbi b\u00e1n k\u00ednh cong 100 m \u1edf 72 km\/h. L\u1ea5y g = 10m\/s2. \u00c1p l\u1ef1c c\u1ee7a xe n\u00e9n c\u00e2y c\u1ea7u khi n\u00f3 \u0111i qua \u0111i\u1ec3m cao nh\u1ea5t (gi\u1eefa c\u00e2y c\u1ea7u)<\/p>\n<p dir=\"ltr\">        A. 36000 N.<\/p>\n<p dir=\"ltr\">        B. 48000 N.<\/p>\n<p dir=\"ltr\">        C. 40000 N.<\/p>\n<p dir=\"ltr\">        D. 24000 N.<\/p>\n<p dir=\"ltr\">H\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\">C\u00e2u h\u1ecfi d<\/p>\n<p dir=\"ltr\">B\u00e0i t\u1eadp 4: M\u1ed9t l\u00f2 xo c\u00f3 \u0111\u1ed9 c\u1ee9ng 125 N\/m, chi\u1ec1u d\u00e0i t\u1ef1 nhi\u00ean l\u00e0 40 cm, m\u1ed9t \u0111\u1ea7u \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh \u1edf A, \u0111\u1ea7u kia \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o qu\u1ea3 c\u1ea7u c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng 10 g c\u00f3 th\u1ec3 tr\u01b0\u1ee3t m\u00e0 kh\u00f4ng c\u1ea7n ma s\u00e1t tr\u00ean thanh ngang. Thanh quay xung quanh tr\u1ee5c theo chi\u1ec1u d\u1ecdc \u1edf 360 v\u00f2ng \/ ph\u00fat. L\u1ea5y \u03c02 = 10. Gi\u00e1 tr\u1ecb n\u00e0o sau \u0111\u00e2y l\u00e0 gi\u00e1 tr\u1ecb sau?<\/p>\n<p dir=\"ltr\">        A. 5,3 cm.<\/p>\n<p dir=\"ltr\">        B. 5,0 cm.<\/p>\n<p dir=\"ltr\">        C. 5,1 cm.<\/p>\n<p dir=\"ltr\">        D. 5,5 cm.<\/p>\n<p dir=\"ltr\">H\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\">C\u00e2u h\u1ecfi c<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.38;margin-top: 0pt;margin-bottom: 0pt\">B\u00e0i t\u1eadp 5: T\u00ednh \u00e1p su\u1ea5t c\u1ee7a m\u1ed9t chi\u1ebfc xe 4 -TON \u0111i qua \u0111i\u1ec3m gi\u1eefa c\u00e2y c\u1ea7u v\u1edbi t\u1ed1c \u0111\u1ed9 72km\/h, l\u1ea5y g = 10m\/s2. Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau<\/p>\n<p dir=\"ltr\">a) C\u1ea7u ph\u1eb3ng.<\/p>\n<p dir=\"ltr\">b) C\u1ea7u l\u1ed3i b\u00e1n k\u00ednh 100m<\/p>\n<p dir=\"ltr\">C) C\u00e2y c\u1ea7u l\u00f5m c\u00f3 b\u00e1n k\u00ednh 200 m.<\/p>\n<p dir=\"ltr\">H\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.38;margin-top: 0pt;margin-bottom: 0pt\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luc-huong-tam-5.png\" alt=\"\" width=\"100%\"><\/p>\n<p dir=\"ltr\" style=\"line-height: 1.38;margin-top: 0pt;margin-bottom: 0pt\">\n<p dir=\"ltr\" style=\"line-height: 1.38;margin-top: 0pt;margin-bottom: 0pt\">v = 72km\/h = 20m\/s; R1 = \u221e; R2 = 100m; R3 = 200m; g = 10m\/s^2<\/p>\n<p dir=\"ltr\">Tr\u1ecdng l\u1ef1c p v\u00e0 m\u00e1y bay ph\u1ea3n l\u1ef1c c\u1ee7a qu\u1ea3 c\u1ea7u \u0111\u00f3ng m\u1ed9t vai tr\u00f2 trong trung t\u00e2m c\u1ee7a t\u00e2m tr\u00ed<\/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\/bai-tap-luc-huong-tam.JPG\" alt=\"\" width=\"100%\"><\/p>\n<p dir=\"ltr\">B\u00e0i t\u1eadp 6: M\u1ed9t kh\u1ed1i 200 g tr\u00ean b\u00e0n xoay v\u00e0 40 cm t\u1eeb tr\u1ee5c quay. Khi b\u1ea3ng quay v\u1edbi t\u1ed1c \u0111\u1ed9 72 v\u00f2ng \/ ph\u00fat, \u0111\u1ed1i t\u01b0\u1ee3ng v\u1eabn v\u1eabn \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi b\u1ea3ng. T\u00ednh \u0111\u1ed9 l\u1edbn c\u1ee7a l\u1ef1c ngh\u1ec9 c\u1ee7a b\u1ea3ng t\u00e1c \u0111\u1ed9ng l\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng. (\u0110S: 4,55 N).<\/p>\n<p dir=\"ltr\">H\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\">Ph\u00e2n t\u00edch v\u1ea5n \u0111\u1ec1<\/p>\n<p dir=\"ltr\">m = 0,2kg; R = 0,4m; = 72 \u0111\u1ed3ng\/ph\u00fat = 2,4\u03c0 (rad\/s)<\/p>\n<p dir=\"ltr\">Ph\u1ea7n th\u01b0\u1edfng<\/p>\n<p dir=\"ltr\" style=\"line-height: 1.38;margin-top: 0pt;margin-bottom: 0pt\">Fmsn = fht = m\u03a92r = 4,55n<\/p>\n<table style=\"border-collapse: collapse;background-color: #C2E0F4\" border=\"1\">\n<tr>\n<td>\n<p style=\"text-align: center\">Gi\u00fap con b\u1ea1n h\u1ecdc to\u00e1n k\u1ebft h\u1ee3p v\u1edbi ti\u1ebfng Anh si\u00eau ti\u1ebft ki\u1ec7m ch\u1ec9 tr\u00ean \u1ee9ng d\u1ee5ng to\u00e1n h\u1ecdc kh\u1ec9. V\u1edbi n\u1ed9i dung gi\u1ea3ng d\u1ea1y v\u1ea1n n\u0103ng \u0111\u1ec3 gi\u00fap tr\u1ebb ph\u00e1t tri\u1ec3n t\u01b0 duy n\u00e3o b\u1ed9 v\u00e0 ng\u00f4n ng\u1eef to\u00e0n di\u1ec7n ch\u1ec9 v\u1edbi 2K\/ng\u00e0y.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia.monkeyuni.net\/upload\/web\/img\/nhantuvanmienphi.png\" alt=\"\" width=\"200\" height=\"39\"><\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p dir=\"ltr\">B\u00e0i b\u00e1o tr\u00ean \u0111\u00e3 t\u00f3m t\u1eaft ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 l\u1ef1c l\u01b0\u1ee3ng t\u00e2m tr\u00ed c\u0169ng nh\u01b0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 c\u00f4ng th\u1ee9c c\u1ee7a n\u00f3. Hy v\u1ecdng, th\u00f4ng qua vi\u1ec7c chia s\u1ebb \u1edf tr\u00ean, h\u1ecd c\u00f3 th\u1ec3 hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng cho c\u00e1c t\u00ednh to\u00e1n li\u00ean quan ho\u00e0n to\u00e0n. C\u1ea3m \u01a1n b\u1ea1n \u0111\u00e3 \u0111\u1ecdc b\u00e0i vi\u1ebft.<\/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>Trong Ch\u01b0\u01a1ng tr\u00ecnh V\u1eadt l\u00fd 10, h\u1ecd s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 m\u1ed9t lo\u1ea1i l\u1ef1c kh\u00f4ng qu\u00e1 m\u1edbi, nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u b\u1ea3n ch\u1ea5t c\u1ee7a n\u00f3, \u0111\u00f3 l\u00e0 t\u00e2m tr\u00ed. Trong b\u00e0i vi\u1ebft n\u00e0y, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd t\u00f3m t\u1eaft t\u1ea5t c\u1ea3 c\u00e1c ki\u1ebfn \u200b\u200bth\u1ee9c xung quanh trung t\u00e2m c\u1ee7a&#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-18827","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/18827","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=18827"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/18827\/revisions"}],"predecessor-version":[{"id":25464,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/18827\/revisions\/25464"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=18827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=18827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=18827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}