{"id":21313,"date":"2025-07-08T06:45:52","date_gmt":"2025-07-07T23:45:52","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=21313"},"modified":"2025-07-09T01:35:40","modified_gmt":"2025-07-08T18:35:40","slug":"vat-ly-6-kien-thuc-ve-luc-dan-hoi-cua-lo-xo-day-du-chi-tiet-nhat","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/vat-ly-6-kien-thuc-ve-luc-dan-hoi-cua-lo-xo-day-du-chi-tiet-nhat\/","title":{"rendered":"[V\u1eadt l\u00fd 6] Ki\u1ebfn th\u1ee9c v\u1ec1 l\u1ef1c \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo \u0111\u1ea7y \u0111\u1ee7 chi ti\u1ebft nh\u1ea5t"},"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\/vat-ly-6-kien-thuc-ve-luc-dan-hoi-cua-lo-xo-day-du-chi-tiet-nhat\/#Bien_dang_dan_hoi_va_bien_dang_cua_lo_xo\" >Bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i v\u00e0 bi\u1ebfn d\u1ea1ng c\u1ee7a l\u00f2 xo<\/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\/vat-ly-6-kien-thuc-ve-luc-dan-hoi-cua-lo-xo-day-du-chi-tiet-nhat\/#Bien_dang_dan_hoi_cua_lo_xo\" >Bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo<\/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\/vat-ly-6-kien-thuc-ve-luc-dan-hoi-cua-lo-xo-day-du-chi-tiet-nhat\/#Bien_dang_cua_mua_xuan\" >Bi\u1ebfn d\u1ea1ng c\u1ee7a m\u00f9a xu\u00e2n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/vat-ly-6-kien-thuc-ve-luc-dan-hoi-cua-lo-xo-day-du-chi-tiet-nhat\/#Luc_dan_hoi_la_gi\" >L\u1ef1c \u0111\u00e0n h\u1ed3i 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-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/vat-ly-6-kien-thuc-ve-luc-dan-hoi-cua-lo-xo-day-du-chi-tiet-nhat\/#Dac_diem_cua_luc_dan_hoi\" >\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a l\u1ef1c \u0111\u00e0n h\u1ed3i<\/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\/vat-ly-6-kien-thuc-ve-luc-dan-hoi-cua-lo-xo-day-du-chi-tiet-nhat\/#Ap_dung_luc_dan_hoi_trong_cuoc_song\" >\u00c1p d\u1ee5ng l\u1ef1c \u0111\u00e0n h\u1ed3i trong cu\u1ed9c s\u1ed1ng<\/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\/vat-ly-6-kien-thuc-ve-luc-dan-hoi-cua-lo-xo-day-du-chi-tiet-nhat\/#Mot_so_cau_hoi_va_bai_tap_ve_luc_dan_hoi\" >M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi v\u00e0 b\u00e0i t\u1eadp v\u1ec1 l\u1ef1c \u0111\u00e0n h\u1ed3i<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5, trong tay c\u1ee7a b\u1ea1n, c\u00f3 m\u1ed9t l\u00f2 xo, s\u1eed d\u1ee5ng m\u1ed9t l\u00f2 xo \u0111\u1ec3 n\u00e9n l\u00f2 xo ho\u1eb7c k\u00e9o d\u00e0i l\u00f2 xo v\u1edbi 1 l\u1ef1c, ch\u00fang ta th\u1ea5y r\u1eb1ng l\u00f2 xo c\u00f3 th\u1ec3 tr\u1edf l\u1ea1i h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u, t\u1ea1i sao l\u1ea1i nh\u01b0 v\u1eady? \u0110i\u1ec1u n\u00e0y l\u00e0 do l\u1ef1c \u0111\u00e0n h\u1ed3i d\u01b0\u1eddng nh\u01b0 gi\u00fap m\u00f9a xu\u00e2n l\u1ea5y l\u1ea1i h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u. V\u1eady l\u1ef1c \u0111\u00e0n h\u1ed3i l\u00e0 g\u00ec? Nh\u1eefng th\u1ee9 g\u1ecdi l\u00e0 v\u1eadt \u0111\u00e0n h\u1ed3i l\u00e0 g\u00ec? H\u00e3y \u0111\u1ec3 kh\u1ec9 h\u1ecdc b\u00e0i v\u1ec1 l\u1ef1c \u0111\u00e0n h\u1ed3i d\u01b0\u1edbi \u0111\u00e2y. <\/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=\"Bien_dang_dan_hoi_va_bien_dang_cua_lo_xo\"><\/span>Bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i v\u00e0 bi\u1ebfn d\u1ea1ng c\u1ee7a l\u00f2 xo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 hi\u1ec3u l\u1ef1c \u0111\u00e0n h\u1ed3i l\u00e0 g\u00ec, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m v\u1edbi m\u1ed9t l\u00f2 xo \u0111\u1ec3 hi\u1ec3u bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i c\u1ee7a m\u00f9a xu\u00e2n. <\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bien_dang_dan_hoi_cua_lo_xo\"><\/span>Bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo <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-dan-hoi-1.jpg\" alt=\"Bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo l\u00e0 g\u00ec? (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c hi\u1ec3u nh\u01b0 sau: M\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u, khi d\u01b0\u1edbi \u1ea3nh h\u01b0\u1edfng c\u1ee7a l\u1ef1c, \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ecb bi\u1ebfn d\u1ea1ng. N\u1ebfu n\u00f3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng n\u1eefa, \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u, ch\u00fang t\u00f4i n\u00f3i r\u1eb1ng bi\u1ebfn d\u1ea1ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i. <\/p>\n<p dir=\"ltr\">C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng m\u00f9a xu\u00e2n l\u00e0 m\u1ed9t bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i. B\u1edfi v\u00ec khi k\u00e9o ho\u1eb7c n\u00e9n l\u00f2 xo (v\u1edbi l\u1ef1c kh\u00f4ng qu\u00e1 l\u1edbn), l\u00f2 xo \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn ho\u1eb7c k\u00e9o d\u00e0i v\u00e0 khi bu\u00f4ng tay, l\u00f2 xo tr\u1edf v\u1ec1 chi\u1ec1u d\u00e0i ban \u0111\u1ea7u. <\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bien_dang_cua_mua_xuan\"><\/span>Bi\u1ebfn d\u1ea1ng c\u1ee7a m\u00f9a xu\u00e2n <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">H\u00e3y c\u00f9ng nhau th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh bi\u1ebfn d\u1ea1ng c\u1ee7a l\u00f2 xo<\/p>\n<p dir=\"ltr\">C\u00f4ng c\u1ee5 chu\u1ea9n b\u1ecb: M\u1ed9t l\u00f2 xo xo\u1eafn, gi\u00e1 th\u1eed nghi\u1ec7m, \u0111o chi\u1ec1u d\u00e0i, tr\u1ecdng l\u01b0\u1ee3ng 50g <\/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-dan-hoi-3.jpg\" alt=\"Th\u1eed nghi\u1ec7m v\u1edbi m\u00f9a xu\u00e2n. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m trong c\u00e1c b\u01b0\u1edbc sau: <\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 1: \u0110\u1ea7u ti\u00ean, c\u1ea7n ph\u1ea3i treo l\u00f2 xo v\u00e0o gi\u00e1 th\u1eed nghi\u1ec7m d\u1ecdc. <\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 2: \u0110o chi\u1ec1u d\u00e0i t\u1ef1 nhi\u00ean ban \u0111\u1ea7u c\u1ee7a l\u00f2 xo (chi\u1ec1u d\u00e0i n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 k\u00fd hi\u1ec7u chi\u1ec1u d\u00e0i t\u1ef1 nhi\u00ean: LO). <\/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-dan-hoi-4.jpg\" alt=\"\u0110o l\u00f2 xo c\u1ee7a l\u00f2 xo th\u00f4ng qua c\u00e1c lo\u1ea1i tr\u00e1i c\u00e2y n\u1eb7ng kh\u00e1c nhau. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 3: Treo 1 tr\u1ecdng l\u01b0\u1ee3ng 50g \u1edf cu\u1ed1i c\u00f9ng c\u1ee7a m\u00f9a xu\u00e2n, sau \u0111\u00f3 m\u00f9a xu\u00e2n c\u00f3 l\u1ef1c c\u1ee7a tr\u1ecdng l\u01b0\u1ee3ng \u0111\u1ec3 k\u00e9o d\u00e0i l\u00f2 xo. \u0110o chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo (L1: chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo khi treo m\u1ed9t qu\u1ea3 n\u1eb7ng)<\/p>\n<p dir=\"ltr\">T\u00ednh to\u00e1n \u0111\u1ed9 d\u00e0i c\u1ee7a l\u00f2 xo sau khi treo m\u1ed9t qu\u1ea3 n\u1eb7ng (t\u1ee9c l\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo t\u0103ng sau khi treo m\u1ed9t qu\u1ea3 n\u1eb7ng): L1 &#8211; L0<\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 4: Treo 2 tr\u1ecdng l\u01b0\u1ee3ng 50g \u1edf \u0111\u1ea7u d\u01b0\u1edbi c\u1ee7a m\u00f9a xu\u00e2n. \u0110o chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo (L2)<\/p>\n<p dir=\"ltr\">T\u00ednh to\u00e1n \u0111\u1ed9 d\u00e0i c\u1ee7a l\u00f2 xo sau khi treo 2 qu\u1ea3 n\u1eb7ng (t\u1ee9c l\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo t\u0103ng sau khi treo 2 tr\u00e1i c\u00e2y n\u1eb7ng): L2 &#8211; L0<\/p>\n<p dir=\"ltr\">Ch\u00e2n 5: Treo 3 tr\u1ecdng l\u01b0\u1ee3ng 50g \u1edf \u0111\u1ea7u d\u01b0\u1edbi c\u1ee7a m\u00f9a xu\u00e2n. \u0110o chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo (L3)<\/p>\n<p dir=\"ltr\">T\u00ednh \u0111\u1ed9 k\u00e9o d\u00e0i c\u1ee7a l\u00f2 xo sau khi treo 3 qu\u1ea3 n\u1eb7ng (t\u1ee9c l\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo t\u0103ng sau khi treo 3 qu\u1ea3 n\u1eb7ng): L3 &#8211; L0<\/p>\n<p dir=\"ltr\">Ghi l\u1ea1i k\u1ebft qu\u1ea3 ki\u1ec3m tra th\u00f4ng qua b\u1ea3ng sau <\/p>\n<table>\n<tr>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">S\u1ed1 l\u01b0\u1ee3ng n\u1eb7ng 50g v\u00e0o m\u00f9a xu\u00e2n <\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">T\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a tr\u00e1i c\u00e2y n\u1eb7ng <\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">Chi\u1ec1u d\u00e0i c\u1ee7a m\u00f9a xu\u00e2n (cm) <\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">S\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a l\u00f2 xo (cm) <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">0<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">0<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">l0 =\u2026.<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">0 <\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">1<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">50<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">l1 =\u2026.<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">L1 &#8211; L0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">2<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">100<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">l2 =\u2026.<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">L2 &#8211; L0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">3<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">150<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">l3 =\u2026.<\/p>\n<\/td>\n<td style=\"text-align: center;border: 0.5px solid #4e4c50\">\n<p dir=\"ltr\">L3 &#8211; L0 <\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p dir=\"ltr\">D\u1ef1a tr\u00ean th\u00ed nghi\u1ec7m tr\u00ean, ch\u00fang t\u00f4i \u0111\u01b0a ra k\u1ebft lu\u1eadn v\u1ec1 bi\u1ebfn d\u1ea1ng c\u1ee7a l\u00f2 xo nh\u01b0 sau<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">M\u00f9a xu\u00e2n l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n \u0111\u00e0n h\u1ed3i <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi treo tr\u00e1i c\u00e2y n\u1eb7ng v\u00e0o m\u00f9a xu\u00e2n, m\u00f9a xu\u00e2n m\u1edf r\u1ed9ng, chi\u1ec1u d\u00e0i t\u0103ng l\u00ean. Khi tr\u1ecdng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf kh\u1ecfi l\u00f2 xo, chi\u1ec1u d\u00e0i l\u00f2 xo tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u c\u1ee7a n\u00f3, ch\u00ednh x\u00e1c b\u1eb1ng chi\u1ec1u d\u00e0i ban \u0111\u1ea7u c\u1ee7a n\u00f3. <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u00e2n \u0111o\u1ea1n c\u1ee7a l\u00f2 xo b\u00e2y gi\u1edd l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa chi\u1ec1u d\u00e0i v\u00e0 chi\u1ec1u d\u00e0i t\u1ef1 nhi\u00ean c\u1ee7a l\u00f2 xo: \u200b\u200bL = L &#8211; L0 (L: L\u00f2 xo khi k\u00e9o d\u00e0i, L0: Chi\u1ec1u d\u00e0i t\u1ef1 nhi\u00ean ban \u0111\u1ea7u c\u1ee7a l\u00f2 xo) <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt treo c\u00e0ng l\u1edbn, l\u00f2 xo c\u00e0ng k\u00e9o d\u00e0i. S\u1ef1 k\u00e9o d\u00e0i c\u1ee7a l\u00f2 xo treo th\u1eb3ng \u0111\u1ee9ng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi th\u1ec3 t\u00edch c\u1ee7a c\u00e1c v\u1eadt treo. <\/p>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luc-dan-hoi-2.jpg\" alt=\"Ph\u00e2n \u0111o\u1ea1n c\u1ee7a l\u00f2 xo theo chi\u1ec1u d\u1ecdc t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi l\u01b0\u1ee3ng \u0111\u1ed1i t\u01b0\u1ee3ng treo. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n bi\u1ebfn d\u1ea1ng c\u1ee7a l\u00f2 xo \u0111\u1ec3 nh\u1edb <\/p>\n<table style=\"border-collapse: collapse;width: 100%\" border=\"1\">\n<tr>\n<td style=\"width: 99.0477%;text-align: center;border: 0.5px solid #4e4c50\">\u2206L = L &#8211; L0<\/td>\n<\/tr>\n<\/table>\n<p dir=\"ltr\">L: \u0110\u1ed9 d\u00e0i lo l\u1eafng khi k\u00e9o d\u00e0i <\/p>\n<p dir=\"ltr\">LO: Chi\u1ec1u d\u00e0i t\u1ef1 nhi\u00ean ban \u0111\u1ea7u c\u1ee7a m\u00f9a xu\u00e2n<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Luc_dan_hoi_la_gi\"><\/span>L\u1ef1c \u0111\u00e0n h\u1ed3i l\u00e0 g\u00ec <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">L\u1ef1c \u0111\u00e0n h\u1ed3i l\u00e0 l\u1ef1c m\u00e0 l\u00f2 xo b\u1ecb bi\u1ebfn d\u1ea1ng tr\u00ean tr\u1ecdng l\u01b0\u1ee3ng nh\u01b0 trong th\u00ed nghi\u1ec7m tr\u00ean.<\/p>\n<p dir=\"ltr\">Hi\u1ec7u \u1ee9ng \u0111\u00e0n h\u1ed3i: FDH <\/p>\n<p dir=\"ltr\">Xem th\u00eam: Thi\u1ebft k\u1ebf, \u0111o l\u01b0\u1eddng, tr\u1ecdng l\u01b0\u1ee3ng, kh\u1ed1i l\u01b0\u1ee3ng &#8211; Ki\u1ebfn th\u1ee9c v\u1eadt l\u00fd 6<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dac_diem_cua_luc_dan_hoi\"><\/span>\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a l\u1ef1c \u0111\u00e0n h\u1ed3i <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a l\u1ef1c \u0111\u00e0n h\u1ed3i: <\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u1ef1c \u0111\u00e0n h\u1ed3i xu\u1ea5t hi\u1ec7n khi l\u00f2 xo b\u1ecb bi\u1ebfn d\u1ea1ng (n\u00e9n ho\u1eb7c k\u00e9o d\u00e0i). L\u1ef1c \u0111\u00e0n h\u1ed3i t\u00e1c d\u1ee5ng l\u00ean \u0111\u1ed1i t\u01b0\u1ee3ng ti\u1ebfp x\u00fac v\u1edbi l\u00f2 xo l\u00e0m cho n\u00f3 b\u1ecb bi\u1ebfn d\u1ea1ng. <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u1ef1c \u0111\u00e0n h\u1ed3i ph\u1ee5 thu\u1ed9c v\u00e0o bi\u1ebfn d\u1ea1ng c\u1ee7a c\u00e1c v\u1eadt \u0111\u00e0n h\u1ed3i. Bi\u1ebfn d\u1ea1ng c\u00e0ng l\u1edbn (trong gi\u1edbi h\u1ea1n cho ph\u00e9p), l\u1ef1c \u0111\u00e0n h\u1ed3i c\u00e0ng l\u1edbn. Bi\u1ebfn d\u1ea1ng c\u00e0ng nh\u1ecf, l\u1ef1c \u0111\u00e0n h\u1ed3i c\u00e0ng nh\u1ecf. . <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a c\u00e1c v\u1eadt th\u1ec3 \u0111\u00e0n h\u1ed3i ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i. .<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed9 l\u1edbn c\u1ee7a l\u1ef1c c\u1ee7a ng\u1ecdn \u0111\u1ed3i b\u1eb1ng \u0111\u1ed9 l\u1edbn c\u1ee7a tr\u1ecdng l\u1ef1c: FDH = P <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u1ef1c \u0111\u00e0n h\u1ed3i c\u00f3 h\u01b0\u1edbng th\u1eb3ng \u0111\u1ee9ng, t\u1eeb d\u01b0\u1edbi l\u00ean. <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u1ef1c \u0111\u00e0n h\u1ed3i theo c\u00f9ng m\u1ed9t h\u01b0\u1edbng v\u00e0 \u0111\u1ed1i di\u1ec7n v\u1edbi tr\u1ecdng l\u1ef1c (t\u1eeb tr\u00ean xu\u1ed1ng) <\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ap_dung_luc_dan_hoi_trong_cuoc_song\"><\/span>\u00c1p d\u1ee5ng l\u1ef1c \u0111\u00e0n h\u1ed3i trong cu\u1ed9c s\u1ed1ng <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\/luc-dan-hoi-5.jpg\" alt=\"\u1ee8ng d\u1ee5ng l\u1ef1c \u0111\u00e0n h\u1ed3i trong cu\u1ed9c s\u1ed1ng. (\u1ea2nh: Canva.com)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">L\u1ef1c \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t nhi\u1ec1u trong cu\u1ed9c s\u1ed1ng nh\u01b0: <\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u00e0m cho thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n, c\u00e2n n\u1eb7ng tr\u1ecdng l\u01b0\u1ee3ng <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u00fat: L\u1ef1c \u0111\u00e0n h\u1ed3i gi\u00fap \u0111\u1ea9y b\u00fat v\u00e0 \u0111\u1ea7u b\u00f3ng \u0111\u1ebfn v\u1ecb tr\u00ed ban \u0111\u1ea7u (b\u00ean trong b\u00fat)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Archbow: Khi bi\u1ebfn d\u1ea1ng u\u1ed1n cong l\u00e0m cho l\u1ef1c \u0111\u00e0n h\u1ed3i k\u00e9o d\u00e0i chu\u1ed7i n\u01a1. L\u1ef1c c\u1ee7a l\u1ef1c c\u0103ng t\u00e1c d\u1ee5ng tr\u00ean m\u0169i t\u00ean s\u1ebd l\u00e0m cho m\u0169i t\u00ean bay \u0111i khi ch\u00fang ta bu\u00f4ng tay.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00e2y c\u1ea7u b\u1eadt c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean nh\u1ea3y: Khi nh\u1ea3y tr\u00ean c\u00e2y c\u1ea7u, c\u00e2y c\u1ea7u u\u1ed1n cong xu\u1ed1ng \u0111\u00e1y \u0111\u1ec3 t\u1ea1o ra m\u1ed9t l\u1ef1c \u0111\u00e0n h\u1ed3i m\u1ea1nh m\u1ebd. L\u1ef1c l\u01b0\u1ee3ng n\u00e0y h\u00e0nh \u0111\u1ed9ng tr\u00ean ch\u00e2n c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean \u0111\u1ec3 gi\u00fap kh\u1edfi \u0111\u1ed9ng c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Gi\u1ea3m s\u1ed1c m\u00f9a xu\u00e2n trong xe m\u00e1y v\u00e0 xe h\u01a1i: L\u1ef1c \u0111\u00e0n h\u1ed3i \u0111\u00f3ng vai tr\u00f2 trong chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a khung g\u1ea7m (v\u00e0 ng\u01b0\u1eddi ta ng\u1ed3i) theo chi\u1ec1u d\u1ecdc so v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng, IE gi\u1ea3m x\u00f3c.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ec7m ng\u1ee7 ho\u1eb7c g\u1ed1i<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Qu\u1ea3 b\u00f3ng h\u01a1i (\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi t\u1eadp th\u1ec3 d\u1ee5c) <\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Ngo\u00e0i c\u00e1c v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn \u1edf tr\u00ean, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng l\u1ef1c \u0111\u00e0n h\u1ed3i xu\u1ea5t hi\u1ec7n trong t\u1ea5t c\u1ea3 c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 y h\u1ecdc, khoa h\u1ecdc, th\u1ec3 thao, cu\u1ed9c s\u1ed1ng &#8230; <\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_cau_hoi_va_bai_tap_ve_luc_dan_hoi\"><\/span>M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi v\u00e0 b\u00e0i t\u1eadp v\u1ec1 l\u1ef1c \u0111\u00e0n h\u1ed3i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">C\u00e2u 4 SGK: Ch\u1ecdn c\u00e2u ch\u00ednh x\u00e1c trong c\u00e1c c\u00e2u sau <\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u1ef1c \u0111\u00e0n h\u1ed3i kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o bi\u1ebfn d\u1ea1ng <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Bi\u1ebfn d\u1ea1ng t\u0103ng, l\u1ef1c \u0111\u00e0n h\u1ed3i gi\u1ea3m <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u0103ng bi\u1ebfn d\u1ea1ng t\u0103ng <\/p>\n<\/li>\n<\/ol>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: c <\/p>\n<p dir=\"ltr\">C\u00e2u 5 SGK: D\u1ef1a tr\u00ean B\u1ea3ng 9.1 SGK, h\u00e3y t\u00ecm t\u1eeb th\u00edch h\u1ee3p \u0111\u1ec3 \u0111i\u1ec1n v\u00e0o ch\u1ed7 tr\u1ed1ng trong c\u00e1c c\u00e2u sau: <\/p>\n<p dir=\"ltr\">A, khi bi\u1ebfn d\u1ea1ng t\u0103ng g\u1ea5p \u0111\u00f4i, l\u1ef1c \u0111\u00e0n h\u1ed3i &#8230; (1) <\/p>\n<p dir=\"ltr\">B, khi bi\u1ebfn d\u1ea1ng t\u0103ng, l\u1ef1c \u0111\u00e0n h\u1ed3i &#8230; (2) <\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: a, nh\u00e2n \u0111\u00f4i; B, t\u0103ng g\u1ea5p ba <\/p>\n<p dir=\"ltr\">C\u00e2u 6 SGK: C\u00e1c thu\u1ed9c t\u00ednh gi\u1ed1ng nhau c\u1ee7a chu\u1ed7i cao su v\u00e0 l\u00f2 xo l\u00e0 g\u00ec? <\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: S\u1ef1 gi\u1ed1ng nhau l\u00e0 \u0111\u1ed9 co gi\u00e3n <\/p>\n<p dir=\"ltr\">C\u00e2u 7: M\u1ed9t l\u00f2 xo t\u1ef1 nhi\u00ean 12cm \u0111\u01b0\u1ee3c treo theo chi\u1ec1u d\u1ecdc, ph\u1ea7n d\u01b0\u1edbi c\u1ee7a l\u00f2 xo c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 50g. Khi tr\u1ecdng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng, l\u00f2 xo c\u00f3 chi\u1ec1u d\u00e0i 15cm. Cho r\u1eb1ng \u0111\u1ed9 d\u00e0i c\u1ee7a l\u00f2 xo t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi th\u1ec3 t\u00edch c\u1ee7a c\u00e1c v\u1eadt treo. Khi treo tr\u00e1i c\u00e2y n\u1eb7ng v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng 100g v\u00e0o l\u00f2 xo, chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo l\u00e0 bao nhi\u00eau? <\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: <\/p>\n<p dir=\"ltr\">Theo ch\u1ee7 \u0111\u1ec1 ch\u00fang t\u00f4i c\u00f3: <\/p>\n<p dir=\"ltr\">l0 = 12 cm <\/p>\n<p dir=\"ltr\">Treo tr\u1ecdng l\u01b0\u1ee3ng 50g, L1 = 15 cm. Y\u00eau c\u1ea7u treo tr\u00e1i c\u00e2y n\u1eb7ng 100g sau \u0111\u00f3 L2 = ?? <\/p>\n<p dir=\"ltr\">Khi treo tr\u1ecdng l\u01b0\u1ee3ng 50g, bi\u1ebfn d\u1ea1ng l\u00f2 xo l\u00e0: L1 &#8211; L0 = 15 &#8211; 12 = 3 (cm) <\/p>\n<p dir=\"ltr\">B\u1edfi v\u00ec \u0111o\u1ea1n c\u1ee7a l\u00f2 xo t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng, n\u00ean s\u1ef1 k\u00e9o d\u00e0i c\u1ee7a l\u00f2 xo khi treo \u0111\u1ed1i t\u01b0\u1ee3ng 100G l\u00e0: 3 x 2 = 6 (cm) <\/p>\n<p dir=\"ltr\">V\u00ec v\u1eady, chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo khi treo qu\u1ea3 n\u1eb7ng 100g l\u00e0: L2 = 12 = 6 = 18 (cm) <\/p>\n<p dir=\"ltr\">C\u00e2u 8: Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang v\u1ec1 l\u1ef1c \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo? <\/p>\n<ol>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo c\u00e0ng nh\u1ecf, l\u1ef1c \u0111\u00e0n h\u1ed3i c\u00e0ng nh\u1ecf.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Bi\u1ebfn d\u1ea1ng c\u1ee7a l\u00f2 xo c\u00e0ng nh\u1ecf, l\u1ef1c \u0111\u00e0n h\u1ed3i c\u00e0ng nh\u1ecf.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo khi c\u00e1ng c\u00e0ng l\u1edbn, l\u1ef1c \u0111\u00e0n h\u1ed3i c\u00e0ng nh\u1ecf.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Trong hai tr\u01b0\u1eddng h\u1ee3p, l\u00f2 xo c\u00f3 \u0111\u1ed9 d\u00e0i kh\u00e1c nhau: trong tr\u01b0\u1eddng h\u1ee3p m\u00f9a xu\u00e2n d\u00e0i h\u01a1n, l\u1ef1c \u0111\u00e0n h\u1ed3i m\u1ea1nh h\u01a1n.<\/p>\n<\/li>\n<\/ol>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: b <\/p>\n<p dir=\"ltr\">C\u00e2u 9: Treo \u0111\u1ec9nh c\u1ee7a l\u00f2 xo v\u00e0o m\u1ed9t \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh. Khi \u0111\u1ea7u d\u01b0\u1edbi c\u1ee7a l\u00f2 xo l\u00e0 mi\u1ec5n ph\u00ed, l\u00f2 xo c\u00f3 chi\u1ec1u d\u00e0i 10 cm. Khi treo \u1edf \u0111\u1ea7u d\u01b0\u1edbi c\u1ee7a l\u00f2 xo m\u1ed9t tr\u1ecdng l\u01b0\u1ee3ng 100g, l\u00f2 xo c\u00f3 chi\u1ec1u d\u00e0i 14 cm. H\u1ecfi khi h\u00e0nh \u0111\u1ed9ng v\u00e0o cu\u1ed1i m\u00f9a xu\u00e2n M\u1ed9t l\u1ef1c k\u00e9o 2n d\u1ecdc theo chi\u1ec1u d\u00e0i c\u1ee7a m\u00f9a xu\u00e2n, chi\u1ec1u d\u00e0i c\u1ee7a m\u00f9a xu\u00e2n l\u00e0 bao nhi\u00eau?<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: <\/p>\n<p dir=\"ltr\">Khi treo th\u00eam 100g \u0111\u1ed1i t\u01b0\u1ee3ng, l\u00f2 xo th\u00eam 4cm t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi l\u1ef1c 1n, l\u00f2 xo l\u00e0 4cm.<\/p>\n<p dir=\"ltr\">Do l\u1ef1c \u0111\u00e0n h\u1ed3i t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi bi\u1ebfn d\u1ea1ng, ch\u00fang ta c\u00f3<\/p>\n<p dir=\"ltr\">F2F1 = \u2206L2\u2206L1 \u21d421 = \u2206L24<\/p>\n<p dir=\"ltr\">\u21d2\u2206L2 = 8 cm<\/p>\n<p dir=\"ltr\">\u0110\u1ed9 d\u00e0i c\u1ee7a m\u00f9a xu\u00e2n b\u00e2y gi\u1edd l\u00e0: <\/p>\n<p dir=\"ltr\">L = L0 + \u2206L2 = 10 + 8 = 18 cm<\/p>\n<p dir=\"ltr\">C\u00e2u 10: \u0110i\u1ec1u n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00e0n h\u1ed3i?<\/p>\n<p dir=\"ltr\">A. M\u1ed9t t\u1edd gi\u1ea5y l\u00e0 hai l\u1ea7n<\/p>\n<p dir=\"ltr\">B. M\u1ed9t thanh s\u1eaft<\/p>\n<p dir=\"ltr\">C. M\u1ed9t \u0111\u1ea5t s\u00e9t<\/p>\n<p dir=\"ltr\">D. M\u00f9a xu\u00e2n<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: d <\/p>\n<p dir=\"ltr\">Th\u00f4ng qua b\u00e0i vi\u1ebft v\u1ec1 l\u1ef1c \u0111\u00e0n h\u1ed3i, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef mong mu\u1ed1n hi\u1ec3u \u0111\u01b0\u1ee3c ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 l\u1ef1c \u0111\u00e0n h\u1ed3i. T\u1eeb \u0111\u00f3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 \u0111\u00e0n h\u1ed3i, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00ednh to\u00e1n \u0111\u1ed9 \u0111\u00e0n h\u1ed3i. Tr\u00ean h\u1ebft, ch\u00fang ta bi\u1ebft l\u00e0m th\u1ebf n\u00e0o l\u1ef1c \u0111\u00e0n h\u1ed3i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong cu\u1ed9c s\u1ed1ng. <\/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>V\u00ed d\u1ee5, trong tay c\u1ee7a b\u1ea1n, c\u00f3 m\u1ed9t l\u00f2 xo, s\u1eed d\u1ee5ng m\u1ed9t l\u00f2 xo \u0111\u1ec3 n\u00e9n l\u00f2 xo ho\u1eb7c k\u00e9o d\u00e0i l\u00f2 xo v\u1edbi 1 l\u1ef1c, ch\u00fang ta th\u1ea5y r\u1eb1ng l\u00f2 xo c\u00f3 th\u1ec3 tr\u1edf l\u1ea1i h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u, t\u1ea1i sao l\u1ea1i nh\u01b0 v\u1eady? \u0110i\u1ec1u n\u00e0y l\u00e0 do l\u1ef1c \u0111\u00e0n h\u1ed3i d\u01b0\u1eddng nh\u01b0&#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-21313","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/21313","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=21313"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/21313\/revisions"}],"predecessor-version":[{"id":25444,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/21313\/revisions\/25444"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=21313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=21313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=21313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}