{"id":21318,"date":"2025-07-08T06:51:00","date_gmt":"2025-07-07T23:51:00","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=21318"},"modified":"2025-07-09T18:34:44","modified_gmt":"2025-07-09T11:34:44","slug":"cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-giai-thich-bai-tap-thuc-hanh","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-giai-thich-bai-tap-thuc-hanh\/","title":{"rendered":"C\u00f4ng th\u1ee9c li\u00ean h\u1ec7 gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng (Gi\u1ea3i th\u00edch &amp; b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh)"},"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\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-giai-thich-bai-tap-thuc-hanh\/#Moi_quan_he_giua_trong_luong_va_khoi_luong\" >M\u1ed1i quan h\u1ec7 gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng<\/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\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-giai-thich-bai-tap-thuc-hanh\/#Thanh_le_la_gi\" >Th\u00e1nh l\u1ec5 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-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-giai-thich-bai-tap-thuc-hanh\/#Trong_luong_la_bao_nhieu\" >Tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 bao nhi\u00eau?<\/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\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-giai-thich-bai-tap-thuc-hanh\/#Moi_quan_he_giua_trong_luong_va_khoi_luong-2\" >M\u1ed1i quan h\u1ec7 gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i 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\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-giai-thich-bai-tap-thuc-hanh\/#Cong_thuc_tiep_xuc_giua_trong_luong_va_khoi_luong\" >C\u00f4ng th\u1ee9c ti\u1ebfp x\u00fac gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-giai-thich-bai-tap-thuc-hanh\/#Cong_thuc_tiep_xuc_giua_trong_luong_va_khoi_luong-2\" >C\u00f4ng th\u1ee9c ti\u1ebfp x\u00fac gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng<\/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\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-giai-thich-bai-tap-thuc-hanh\/#Phuong_phap_giai_quyet_can_nang\" >Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i quy\u1ebft c\u00e2n n\u1eb7ng<\/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\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-giai-thich-bai-tap-thuc-hanh\/#Tap_the_duc_ap_dung_cong_thuc_giua_trong_luong_va_khoi_luong\" >T\u1eadp th\u1ec3 d\u1ee5c \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">Gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng, c\u00f3 m\u1ed9t m\u1ed1i quan h\u1ec7 nh\u1ea5t \u0111\u1ecbnh, \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng c\u00f4ng th\u1ee9c. V\u00ec v\u1eady, h\u00f4m nay ch\u00fang t\u00f4i s\u1ebd t\u00ecm ra c\u00f4ng th\u1ee9c \u0111\u1ec3 li\u00ean h\u1ec7 v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng, c\u00e1ch \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i t\u1eadp c\u00f3 li\u00ean quan. <\/p>\n<p>                                    <\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Moi_quan_he_giua_trong_luong_va_khoi_luong\"><\/span>M\u1ed1i quan h\u1ec7 gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Ch\u00fang ta \u0111ang xem x\u00e9t \u00e2m l\u01b0\u1ee3ng \u0111\u1ea7u ti\u00ean v\u1edbi nhau l\u00e0 g\u00ec? <\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Thanh_le_la_gi\"><\/span>Th\u00e1nh l\u1ec5 l\u00e0 g\u00ec? <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\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-2.jpg\" alt=\"\u0110\u1ecbnh ngh\u0129a v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Kh\u1ed1i l\u01b0\u1ee3ng l\u00e0 th\u01b0\u1edbc \u0111o ch\u1ea5t c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3. \u0110\u1ec3 \u0111o kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1eadt th\u1ec3, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. <\/p>\n<p dir=\"ltr\">\u0110\u01a1n v\u1ecb ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111o tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 kg<\/p>\n<p dir=\"ltr\">Bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a kh\u1ed1i l\u00e0 m <\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: Tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 th\u1ec3 c\u1ee7a m\u1ed9t ng\u01b0\u1eddi l\u00e0 48 kg <\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Trong_luong_la_bao_nhieu\"><\/span>Tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 bao nhi\u00eau? <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\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-3.jpg\" alt=\"Tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 bao nhi\u00eau? (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 \u0111\u1ed9 l\u1edbn c\u1ee7a tr\u1ecdng l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean v\u1eadt th\u1ec3. <\/p>\n<p dir=\"ltr\">\u0110\u01a1n v\u1ecb \u0111o tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 Newton (N) <\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a tr\u1ecdng l\u01b0\u1ee3ng 100g l\u00e0 1 N <\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Moi_quan_he_giua_trong_luong_va_khoi_luong-2\"><\/span>M\u1ed1i quan h\u1ec7 gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Do tr\u1ecdng l\u01b0\u1ee3ng tr\u00ean m\u1ecdi th\u1ee9 v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng. Ch\u00fang t\u00f4i c\u00f3 k\u1ebft n\u1ed1i gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng nh\u01b0 sau: <\/p>\n<p dir=\"ltr\">Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u00f3. Tr\u1ecdng l\u01b0\u1ee3ng c\u00e0ng cao, tr\u1ecdng l\u01b0\u1ee3ng c\u00e0ng l\u1edbn. <\/p>\n<p dir=\"ltr\">M\u1ed1i quan h\u1ec7 gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u0169ng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n th\u00f4ng qua c\u00f4ng th\u1ee9c trong ph\u1ea7n sau. <\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cong_thuc_tiep_xuc_giua_trong_luong_va_khoi_luong\"><\/span>C\u00f4ng th\u1ee9c ti\u1ebfp x\u00fac gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng    <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cong_thuc_tiep_xuc_giua_trong_luong_va_khoi_luong-2\"><\/span>C\u00f4ng th\u1ee9c ti\u1ebfp x\u00fac gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i c\u00f3 c\u00f4ng th\u1ee9c cho m\u1ed1i quan h\u1ec7 gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ho\u1eb7c c\u00f4ng th\u1ee9c \u0111\u1ec3 t\u00ednh tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng d\u1ef1a tr\u00ean kh\u1ed1i l\u01b0\u1ee3ng sau: <\/p>\n<table style=\"border-collapse: collapse;width: 100%;height: 116.922px\" border=\"1\">\n<tr style=\"height: 116.922px\">\n<td style=\"width: 99.0477%;background-color: #c2e0f4;text-align: center;border: 0.5px solid #4e4c50;height: 116.922px\">\n<p>P = 10 xm <\/p>\n<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p dir=\"ltr\">P: Tr\u1ecdng l\u01b0\u1ee3ng (N) <\/p>\n<p dir=\"ltr\">M: Mass (kg) <\/p>\n<p dir=\"ltr\">L\u01b0u \u00fd: Khi \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c tr\u00ean, ch\u00fang ta c\u1ea7n bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng. Do kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng t\u00ednh b\u1eb1ng kg, tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a \u0111\u01a1n v\u1ecb KG n\u00ean \u0111\u01b0\u1ee3c thay \u0111\u1ed5i. <\/p>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng \u0111\u01a1n v\u1ecb chuy\u1ec3n \u0111\u1ed5i c\u1ee7a ph\u00e9p \u0111o kh\u1ed1i l\u01b0\u1ee3ng <\/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\/cong-thuc-lien-he-giua-trong-luong-va-khoi-luong-1.jpg\" alt=\"Hi\u1ec3n th\u1ecb c\u00e1c \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng kh\u1ed1i l\u01b0\u1ee3ng. (\u1ea2nh: Kh\u1ec9)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">M\u1ed7i \u0111\u01a1n v\u1ecb l\u1edbn h\u01a1n 10 l\u1ea7n so v\u1edbi \u0111\u01a1n v\u1ecb li\u1ec1n k\u1ec1 (v\u00ed d\u1ee5: 1 y\u1ebfn m\u1ea1ch = 10 kg). M\u1ed7i \u0111\u01a1n v\u1ecb \u0111\u1ee9ng sau \u0111\u01a1n v\u1ecb \u0111\u1ee9ng tr\u01b0\u1edbc li\u1ec1n k\u1ec1 v\u1edbi li\u1ec1n k\u1ec1 (v\u00ed d\u1ee5 1kg = 1\/10 y\u1ebfn m\u1ea1ch).<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phuong_phap_giai_quyet_can_nang\"><\/span>Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i quy\u1ebft c\u00e2n n\u1eb7ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00f3 hai lo\u1ea1i b\u00e0i t\u1eadp ph\u1ed5 bi\u1ebfn v\u1ec1 c\u00e2n n\u1eb7ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng, \u0111\u00e2y l\u00e0 c\u00e1ch ch\u00fang t\u00f4i gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i t\u1eadp li\u00ean quan. <\/p>\n<p dir=\"ltr\">M\u1eabu 1: Cho tr\u1ecdng l\u01b0\u1ee3ng c\u1ea7n tr\u1ecdng l\u01b0\u1ee3ng. <\/p>\n<p dir=\"ltr\">V\u1edbi lo\u1ea1i b\u00e0i t\u1eadp n\u00e0y, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta c\u1ea7n xem li\u1ec7u \u00e2m l\u01b0\u1ee3ng \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh \u0111\u01a1n v\u1ecb \u0111o KG? Ti\u1ebfp theo, ch\u00fang t\u00f4i \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c p = 10.m (n) <\/p>\n<p dir=\"ltr\">M\u1eabu 2: \u0110\u1ed1i v\u1edbi y\u00eau c\u1ea7u tr\u1ecdng l\u01b0\u1ee3ng <\/p>\n<p dir=\"ltr\">Gi\u1ea3i ph\u00e1p: Ch\u00fang t\u00f4i \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c m = p\/10 (kg) <\/p>\n<p dir=\"ltr\">Xem th\u00eam: M\u00e1y c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n: C\u1ea5u tr\u00fac, s\u1eed d\u1ee5ng v\u00e0 v\u00ed d\u1ee5 c\u1ee7a t\u1eebng lo\u1ea1i<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tap_the_duc_ap_dung_cong_thuc_giua_trong_luong_va_khoi_luong\"><\/span>T\u1eadp th\u1ec3 d\u1ee5c \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">B\u00e0i 1: M\u1ed9t chi\u1ebfc xe t\u1ea3i c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng 3,2 t\u1ea5n n\u1eb7ng bao nhi\u00eau? <\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: Ch\u00fang t\u00f4i c\u00f3 M = 3,2 t\u1ea5n = 3,2 x 1000 = 3200kg. V\u00ec v\u1eady, tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a xe t\u1ea3i l\u00e0: P = 3200 x 10 = 32 000 N<\/p>\n<p dir=\"ltr\">B\u00e0i 2: M\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng n\u1eb7ng 15 N. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng. <\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng: M = P\/10 = 15\/10 = 1,5 (kg) <\/p>\n<p dir=\"ltr\">B\u00e0i 3: M\u1ed9t t\u00fai g\u1ea1o c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng 0,5 t\u1ea1. T\u00ednh tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a t\u00fai g\u1ea1o? <\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: Ch\u00fang t\u00f4i thay \u0111\u1ed5i 0,5 t\u1ea1 = 50kg. Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a t\u00fai g\u1ea1o l\u00e0: P = 50.10 = 500 N <\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 4: \u0110i\u1ec1n v\u00e0o s\u1ed1 th\u00edch h\u1ee3p trong h\u1ed9p <\/p>\n<p dir=\"ltr\">M\u1ed9t chi\u1ebfc xe t\u1ea3i c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng 2,8 t\u1ea5n s\u1ebd n\u1eb7ng &#8230; Niuton?<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: 28.000 n<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 5: T\u1eeb n\u00e0o trong ngo\u1eb7c \u0111\u01a1n l\u00e0 t\u1eeb \u0111\u00fang?<\/p>\n<p dir=\"ltr\">M\u1ed9t. Khi c\u00e2n h\u00e0ng h\u00f3a, ch\u00fang t\u00f4i quan t\u00e2m \u0111\u1ebfn m\u00e1y bay, ch\u00fang t\u00f4i quan t\u00e2m \u0111\u1ebfn (tr\u1ecdng l\u01b0\u1ee3ng, tr\u1ecdng l\u01b0\u1ee3ng, kh\u1ed1i l\u01b0\u1ee3ng) c\u1ee7a h\u00e0ng h\u00f3a.<\/p>\n<p dir=\"ltr\">b. Khi ch\u00fang t\u00f4i c\u00e2n m\u1ed9t t\u00fai k\u1eb9o, ch\u00fang t\u00f4i quan t\u00e2m (tr\u1ecdng l\u01b0\u1ee3ng, kh\u1ed1i l\u01b0\u1ee3ng) c\u1ee7a t\u00fai k\u1eb9o.<\/p>\n<p dir=\"ltr\">c. Khi m\u1ed9t chi\u1ebfc xe t\u1ea3i ch\u1ea1y qua m\u1ed9t c\u00e2y c\u1ea7u y\u1ebfu, n\u1ebfu (tr\u1ecdng l\u01b0\u1ee3ng, tr\u1ecdng l\u01b0\u1ee3ng) c\u1ee7a xe qu\u00e1 l\u1edbn, c\u00e2y c\u1ea7u s\u1ebd b\u1ecb h\u1ecfng.<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: <\/p>\n<p dir=\"ltr\">a) Tr\u1ecdng l\u01b0\u1ee3ng                              <\/p>\n<p dir=\"ltr\">b) Tr\u1ecdng l\u01b0\u1ee3ng                    <\/p>\n<p dir=\"ltr\">c) tr\u1ecdng l\u01b0\u1ee3ng<\/p>\n<p dir=\"ltr\">B\u00e0i 6: C\u00e2u n\u00e0o kh\u00f4ng \u0111\u00fang trong c\u00e1c c\u00e2u sau?<\/p>\n<p dir=\"ltr\">A. Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a t\u00fai \u0111\u01b0\u1eddng l\u00e0 \u0111\u01b0\u1eddng trong t\u00fai<\/p>\n<p dir=\"ltr\">B. Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t ng\u01b0\u1eddi l\u00e0 m\u1ee9c \u0111\u1ed9 thu h\u00fat c\u1ee7a tr\u00e1i \u0111\u1ea5t \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi \u0111\u00f3<\/p>\n<p dir=\"ltr\">C. Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u00f3<\/p>\n<p dir=\"ltr\">D. Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t v\u1eadt ph\u1ee5 thu\u1ed9c v\u00e0o tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3.<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: d<\/p>\n<p dir=\"ltr\">B\u00e0i 7: M\u1ed9t cu\u1ed1n s\u1ed5 tay c\u00e2n n\u1eb7ng bao nhi\u00eau?<\/p>\n<p dir=\"ltr\">A. 0,08n<\/p>\n<p dir=\"ltr\">B. 0,8n<\/p>\n<p dir=\"ltr\">C. 8n<\/p>\n<p dir=\"ltr\">D. 80n<\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: b <\/p>\n<p dir=\"ltr\">B\u00e0i 8: C\u00f3 bao nhi\u00eau gam l\u00e0 m\u1ed9t c\u1eb7p s\u00e1ch c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng 35n?<\/p>\n<p dir=\"ltr\">A. 3,5g<\/p>\n<p dir=\"ltr\">B. 35g<\/p>\n<p dir=\"ltr\">C. 350g<\/p>\n<p dir=\"ltr\">D. 3500g <\/p>\n<p dir=\"ltr\">Tr\u1ea3 l\u1eddi: d<\/p>\n<p dir=\"ltr\">Th\u00f4ng qua b\u00e0i vi\u1ebft tr\u00ean, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef hy v\u1ecdng r\u1eb1ng b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ghi nh\u1edb c\u00f4ng th\u1ee9c cho tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng. Ngo\u00e0i c\u00e1c b\u00e0i t\u1eadp c\u01a1 b\u1ea3n \u1edf tr\u00ean, b\u1ea1n n\u00ean t\u00ecm c\u00e1c b\u00e0i t\u1eadp n\u00e2ng cao h\u01a1n \u0111\u1ec3 nghi\u00ean c\u1ee9u chuy\u00ean s\u00e2u ki\u1ebfn \u200b\u200bth\u1ee9c n\u00e0y. Kh\u1ec9 ch\u00fac t\u1ea5t c\u1ea3 c\u00e1c b\u1ea1n t\u1ed1t. <\/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>Gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng, c\u00f3 m\u1ed9t m\u1ed1i quan h\u1ec7 nh\u1ea5t \u0111\u1ecbnh, \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng c\u00f4ng th\u1ee9c. V\u00ec v\u1eady, h\u00f4m nay ch\u00fang t\u00f4i s\u1ebd t\u00ecm ra c\u00f4ng th\u1ee9c \u0111\u1ec3 li\u00ean h\u1ec7 v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng, c\u00e1ch \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i t\u1eadp c\u00f3 li\u00ean quan. M\u1ed1i quan&#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-21318","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/21318","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=21318"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/21318\/revisions"}],"predecessor-version":[{"id":25758,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/21318\/revisions\/25758"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=21318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=21318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=21318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}