{"id":28280,"date":"2023-09-11T12:55:40","date_gmt":"2023-09-11T05:55:40","guid":{"rendered":"https:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi"},"modified":"2023-09-11T12:55:40","modified_gmt":"2023-09-11T05:55:40","slug":"the-nang-la-gi","status":"publish","type":"post","link":"https:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi","title":{"rendered":"Th\u1ebf n\u0103ng l\u00e0 kh\u00e1i ni\u1ec7m g\u00ec v\u00e0 c\u00e1ch t\u00ednh th\u1ebf n\u0103ng trong v\u1eadt l\u00fd"},"content":{"rendered":"<p>Th\u1ebf n\u0103ng l\u00e0 kh\u1ea3 n\u0103ng, ti\u1ec1m n\u0103ng hay t\u00e0i n\u0103ng m\u00e0 m\u1ed7i ng\u01b0\u1eddi \u0111\u1ec1u c\u00f3 \u0111\u1ec3 ph\u00e1t tri\u1ec3n v\u00e0 th\u00e0nh c\u00f4ng trong cu\u1ed9c s\u1ed1ng. \u0110\u00f3 l\u00e0 nh\u1eefng ph\u1ea9m ch\u1ea5t v\u01b0\u1ee3t tr\u1ed9i, k\u1ef9 n\u0103ng \u0111\u1eb7c bi\u1ec7t v\u00e0 s\u1ef1 s\u00e1ng t\u1ea1o c\u1ee7a con ng\u01b0\u1eddi \u0111\u01b0\u1ee3c khai th\u00e1c v\u00e0 ph\u00e1t huy \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau c\u00e1 nh\u00e2n v\u00e0 x\u00e3 h\u1ed9i.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_40 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\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-6ad1f6bed5507\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-6ad1f6bed5507\"><\/a><\/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:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#1_Dai_luong_pho_bien_trong_vat_ly_The_nang_va_dong_nang\" title=\"1. \u0110\u1ea1i l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn trong v\u1eadt l\u00fd: Th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng\">1. \u0110\u1ea1i l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn trong v\u1eadt l\u00fd: Th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng<\/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:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#Y_nghia_cua_the_nang_va_dong_nang_trong_vat_ly\" title=\"\u00dd ngh\u0129a c\u1ee7a th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng trong v\u1eadt l\u00fd\">\u00dd ngh\u0129a c\u1ee7a th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng trong v\u1eadt l\u00fd<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#Mot_so_vi_du_ve_the_nang_va_dong_nang\" title=\"M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng:\">M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng:<\/a><\/li><\/ul><\/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:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#2_Hai_dang_the_nang_The_nang_dan_hoi_va_the_nang_trong_truong\" title=\"2. Hai d\u1ea1ng th\u1ebf n\u0103ng: Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i v\u00e0 th\u1ebf n\u0103ng tr\u1ecdng tr\u01b0\u1eddng\">2. Hai d\u1ea1ng th\u1ebf n\u0103ng: Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i v\u00e0 th\u1ebf n\u0103ng tr\u1ecdng tr\u01b0\u1eddng<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#The_nang_dan_hoi\" title=\"Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i:\">Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#The_nang_trong_truong\" title=\"Th\u1ebf n\u0103ng tr\u1ecdng tr\u01b0\u1eddng:\">Th\u1ebf n\u0103ng tr\u1ecdng tr\u01b0\u1eddng:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#3_The_nang_la_gi_Tinh_chat_va_y_nghia_cua_the_nang_trong_vat_ly\" title=\"3. Th\u1ebf n\u0103ng l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t v\u00e0 \u00fd ngh\u0129a c\u1ee7a th\u1ebf n\u0103ng trong v\u1eadt l\u00fd\">3. Th\u1ebf n\u0103ng l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t v\u00e0 \u00fd ngh\u0129a c\u1ee7a th\u1ebf n\u0103ng trong v\u1eadt l\u00fd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#4_Cac_dang_the_nang_pho_bien_The_nang_hap_dan_the_nang_dan_hoi_lo_xo_the_nang_dien_tich\" title=\"4. C\u00e1c d\u1ea1ng th\u1ebf n\u0103ng ph\u1ed5 bi\u1ebfn: Th\u1ebf n\u0103ng h\u1ea5p d\u1eabn, th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i l\u00f2 xo, th\u1ebf n\u0103ng \u0111i\u1ec7n t\u00edch\">4. C\u00e1c d\u1ea1ng th\u1ebf n\u0103ng ph\u1ed5 bi\u1ebfn: Th\u1ebf n\u0103ng h\u1ea5p d\u1eabn, th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i l\u00f2 xo, th\u1ebf n\u0103ng \u0111i\u1ec7n t\u00edch<\/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:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#The_nang_hap_dan\" title=\"Th\u1ebf n\u0103ng h\u1ea5p d\u1eabn:\">Th\u1ebf n\u0103ng h\u1ea5p d\u1eabn:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#The_nang_dan_hoi_lo_xo\" title=\"Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i l\u00f2 xo:\">Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i l\u00f2 xo:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#The_nang_dien_tich\" title=\"Th\u1ebf n\u0103ng \u0111i\u1ec7n t\u00edch:\">Th\u1ebf n\u0103ng \u0111i\u1ec7n t\u00edch:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#5_Don_vi_do_cua_the_nang_Jun_J\" title=\"5. \u0110\u01a1n v\u1ecb \u0111o c\u1ee7a th\u1ebf n\u0103ng: Jun (J)\">5. \u0110\u01a1n v\u1ecb \u0111o c\u1ee7a th\u1ebf n\u0103ng: Jun (J)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/the-nang-la-gi\/#6_Tinh_toan_cong_va_the_nang_dan_hoi_cua_lo_xo\" title=\"6. T\u00ednh to\u00e1n c\u00f4ng v\u00e0 th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo\">6. T\u00ednh to\u00e1n c\u00f4ng v\u00e0 th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Dai_luong_pho_bien_trong_vat_ly_The_nang_va_dong_nang\"><\/span>1. \u0110\u1ea1i l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn trong v\u1eadt l\u00fd: Th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" alt=\"1. \u0110\u1ea1i l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn trong v\u1eadt l\u00fd: Th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng\" src=\"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-content\/uploads\/2023\/09\/the_nang_la_khai_niem_gi_va_cach_tinh_the_nang_trong_vat_ly.jpeg\" style=\"text-align: center; clear: both; display: block; margin: 0 auto;\" title=\"1. \u0110\u1ea1i l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn trong v\u1eadt l\u00fd: Th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng\"\/><\/p>\n<p>Trong v\u1eadt l\u00fd, th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng l\u00e0 hai \u0111\u1ea1i l\u01b0\u1ee3ng quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 tr\u1ea1ng th\u00e1i v\u00e0 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng v\u1eadt ch\u1ea5t. Th\u1ebf n\u0103ng l\u00e0 n\u0103ng l\u01b0\u1ee3ng m\u00e0 m\u1ed9t v\u1eadt ch\u1ea5t c\u00f3 do v\u1ecb tr\u00ed ho\u1eb7c h\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3, trong khi \u0111\u1ed9ng n\u0103ng l\u00e0 n\u0103ng l\u01b0\u1ee3ng m\u00e0 m\u1ed9t v\u1eadt ch\u1ea5t c\u00f3 do chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a n\u00f3.<\/p>\n<p>Th\u1ebf n\u0103ng th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt ch\u1ea5t \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng ho\u1eb7c g\u00e2y ra s\u1ef1 thay \u0111\u1ed5i trong h\u1ec7 th\u1ed1ng. V\u00ed d\u1ee5, khi ta nh\u1ea5c m\u1ed9t v\u1eadt t\u1eeb m\u1ed9t \u0111i\u1ec3m cao xu\u1ed1ng \u0111i\u1ec3m th\u1ea5p, ta c\u1ea7n ti\u00eau t\u1ed1n c\u00f4ng \u0111\u1ec3 l\u00e0m vi\u1ec7c n\u00e0y. C\u00f4ng n\u00e0y \u0111\u01b0\u1ee3c t\u00edch lu\u1ef9 th\u00e0nh th\u1ebf n\u0103ng c\u1ee7a v\u1eadt ch\u1ea5t \u1edf \u0111i\u1ec3m cao, v\u00e0 khi ta bu\u00f4ng v\u1eadt xu\u1ed1ng, th\u1ebf n\u0103ng n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh \u0111\u1ed9ng n\u0103ng khi v\u1eadt di chuy\u1ec3n.<\/p>\n<p>\u0110\u1ed9ng n\u0103ng, ng\u01b0\u1ee3c l\u1ea1i, li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt ch\u1ea5t \u0111\u1ec3 di chuy\u1ec3n ho\u1eb7c l\u00e0m vi\u1ec7c. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 v\u1eadn t\u1ed1c c\u1ee7a v\u1eadt ch\u1ea5t. V\u00ed d\u1ee5, m\u1ed9t v\u1eadt ch\u1ea5t c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn v\u00e0 di chuy\u1ec3n nhanh s\u1ebd c\u00f3 \u0111\u1ed9ng n\u0103ng l\u1edbn h\u01a1n so v\u1edbi m\u1ed9t v\u1eadt ch\u1ea5t c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf v\u00e0 di chuy\u1ec3n ch\u1eadm.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Y_nghia_cua_the_nang_va_dong_nang_trong_vat_ly\"><\/span>\u00dd ngh\u0129a c\u1ee7a th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng trong v\u1eadt l\u00fd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng l\u00e0 hai kh\u00eda c\u1ea1nh quan tr\u1ecdng trong vi\u1ec7c hi\u1ec3u v\u00e0 m\u00f4 t\u1ea3 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd. Ch\u00fang gi\u00fap ta hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c qu\u00e1 tr\u00ecnh t\u1ef1 nhi\u00ean v\u00e0 cung c\u1ea5p cho ch\u00fang ta m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 t\u00ednh to\u00e1n c\u00f4ng ho\u1eb7c hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nguy\u00ean t\u1eafc b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>Th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng c\u0169ng li\u00ean quan m\u1eadt thi\u1ebft \u0111\u1ebfn c\u00e1c nguy\u00ean t\u1eafc c\u0103n b\u1ea3n c\u1ee7a v\u1eadt l\u00fd, nh\u01b0 nguy\u00ean t\u1eafc b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng. Nguy\u00ean t\u1eafc n\u00e0y cho bi\u1ebft r\u1eb1ng t\u1ed5ng th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng trong m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c duy tr\u00ec kh\u00f4ng thay \u0111\u1ed5i theo th\u1eddi gian, tr\u1eeb khi c\u00f3 s\u1ef1 t\u00e1c \u0111\u1ed9ng t\u1eeb c\u00e1c l\u1ef1c b\u00ean ngo\u00e0i. \u0110i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng trong vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 d\u1ef1 \u0111o\u00e1n c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd, t\u1eeb chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u00e0nh tinh trong h\u1ec7 m\u1eb7t tr\u1eddi cho \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Mot_so_vi_du_ve_the_nang_va_dong_nang\"><\/span>M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Khi m\u1ed9t con quay \u0111\u01b0\u1ee3c quay l\u00ean cao, n\u00f3 t\u00edch lu\u1ef9 th\u1ebf n\u0103ng. Khi con quay \u0111\u01b0\u1ee3c bu\u00f4ng xu\u1ed1ng, th\u1ebf n\u0103ng n\u00e0y s\u1ebd chuy\u1ec3n th\u00e0nh \u0111\u1ed9ng n\u0103ng khi con quay di chuy\u1ec3n.<\/li>\n<li>Trong m\u1ed9t ng\u00f4i nh\u00e0 cao t\u1ea7ng, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng c\u1ea7u thang ho\u1eb7c thang m\u00e1y \u0111\u1ec3 di chuy\u1ec3n gi\u1eefa c\u00e1c t\u1ea7ng. Khi ta \u0111i l\u00ean c\u1ea7u thang ho\u1eb7c l\u00ean thang m\u00e1y, ta ti\u00eau t\u1ed1n c\u00f4ng \u0111\u1ec3 l\u00e0m vi\u1ec7c n\u00e0y. C\u00f4ng n\u00e0y \u0111\u01b0\u1ee3c t\u00edch lu\u1ef9 th\u00e0nh th\u1ebf n\u0103ng c\u1ee7a c\u01a1 th\u1ec3 ta \u1edf \u0111i\u1ec3m cao.<\/li>\n<li>Khi m\u1ed9t chi\u1ebfc xe lao xu\u1ed1ng t\u1eeb m\u1ed9t con d\u1ed1c cao, chi\u1ebfc xe t\u00edch lu\u1ef9 th\u1ebf n\u0103ng khi leo l\u00ean con d\u1ed1c. Khi chi\u1ebfc xe lao xu\u1ed1ng, th\u1ebf n\u0103ng n\u00e0y s\u1ebd chuy\u1ec3n th\u00e0nh \u0111\u1ed9ng n\u0103ng khi chi\u1ebfc xe di chuy\u1ec3n.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"2_Hai_dang_the_nang_The_nang_dan_hoi_va_the_nang_trong_truong\"><\/span>2. Hai d\u1ea1ng th\u1ebf n\u0103ng: Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i v\u00e0 th\u1ebf n\u0103ng tr\u1ecdng tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" alt=\"2. Hai d\u1ea1ng th\u1ebf n\u0103ng: Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i v\u00e0 th\u1ebf n\u0103ng tr\u1ecdng tr\u01b0\u1eddng\" src=\"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-content\/uploads\/2023\/09\/the_nang_la_khai_niem_gi_va_cach_tinh_the_nang_trong_vat_ly-1.jpeg\" style=\"text-align: center; clear: both; display: block; margin: 0 auto;\" title=\"2. Hai d\u1ea1ng th\u1ebf n\u0103ng: Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i v\u00e0 th\u1ebf n\u0103ng tr\u1ecdng tr\u01b0\u1eddng\"\/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"The_nang_dan_hoi\"><\/span>Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i l\u00e0 lo\u1ea1i th\u1ebf n\u0103ng m\u00e0 m\u1ed9t v\u1eadt c\u00f3 khi b\u1ecb bi\u1ebfn d\u1ea1ng, nh\u01b0 k\u00e9o d\u00e3n ho\u1eb7c n\u00e9n, v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1 v\u1ecb tr\u00ed ban \u0111\u1ea7u c\u1ee7a n\u00f3. V\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn v\u1ec1 th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i l\u00e0 l\u00f2 xo. Khi ta k\u00e9o c\u0103ng l\u00f2 xo, ta cung c\u1ea5p c\u00f4ng \u0111\u1ec3 t\u1ea1o ra th\u1ebf n\u0103ng trong l\u00f2 xo. Khi ta bu\u00f4ng l\u1ecfng l\u00f2 xo, th\u1ebf n\u0103ng n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh c\u00f4ng \u0111\u1ec3 tr\u1ea3 l\u1ea1i l\u00f2 xo v\u1ecb tr\u00ed ban \u0111\u1ea7u.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"The_nang_trong_truong\"><\/span>Th\u1ebf n\u0103ng tr\u1ecdng tr\u01b0\u1eddng:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Th\u1ebf n\u0103ng tr\u1ecdng tr\u01b0\u1eddng l\u00e0 lo\u1ea1i th\u1ebf n\u0103ng m\u00e0 m\u1ed9t v\u1eadt c\u00f3 khi \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng b\u1edfi s\u1ee9c h\u1ea5p d\u1eabn c\u1ee7a Tr\u00e1i \u0110\u1ea5t. Th\u1ebf n\u0103ng n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1eadt v\u00e0 chi\u1ec1u cao t\u1eeb m\u1eb7t \u0111\u1ea5t. V\u1eadt \u1edf m\u1ed9t chi\u1ec1u cao cao h\u01a1n s\u1ebd c\u00f3 th\u1ec3 t\u00edch th\u1ec3 t\u00edch ti\u1ec1m ki\u1ec7m cao h\u01a1n v\u00e0 do \u0111\u00f3 c\u00f3 th\u1ec3 ch\u1ee9a \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng th\u1ec3 t\u00edch ti\u1ec1m ki\u1ec7m cao h\u01a1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_The_nang_la_gi_Tinh_chat_va_y_nghia_cua_the_nang_trong_vat_ly\"><\/span>3. Th\u1ebf n\u0103ng l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t v\u00e0 \u00fd ngh\u0129a c\u1ee7a th\u1ebf n\u0103ng trong v\u1eadt l\u00fd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Th\u1ebf n\u0103ng l\u00e0 m\u1ed9t d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng t\u1ed3n t\u1ea1i trong c\u00e1c h\u1ec7 th\u1ed1ng v\u1eadt ch\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi v\u1ecb tr\u00ed ho\u1eb7c t\u00ecnh tr\u1ea1ng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n trong h\u1ec7 th\u1ed1ng. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i th\u00e0nh c\u00e1c d\u1ea1ng kh\u00e1c nhau, nh\u01b0ng t\u1ed5ng l\u01b0\u1ee3ng th\u1ebf n\u0103ng kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n<p>T\u00ednh ch\u1ea5t c\u1ee7a th\u1ebf n\u0103ng:<\/p>\n<ul>\n<li>Th\u1ebf n\u0103ng ph\u1ee5 thu\u1ed9c v\u00e0o v\u1ecb tr\u00ed ho\u1eb7c t\u00ecnh tr\u1ea1ng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n trong h\u1ec7 th\u1ed1ng.<\/li>\n<li>Th\u1ebf n\u0103ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00e1c d\u1ea1ng kh\u00e1c nhau, nh\u01b0ng t\u1ed5ng l\u01b0\u1ee3ng th\u1ebf n\u0103ng kh\u00f4ng b\u1ecb thay \u0111\u1ed5i.<\/li>\n<li>Th\u1ebf n\u0103ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c: U = mgh, trong \u0111\u00f3 U l\u00e0 th\u1ebf n\u0103ng, m l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1eadt, g l\u00e0 gia t\u1ed1c tr\u1ecdng tr\u01b0\u1eddng v\u00e0 h l\u00e0 chi\u1ec1u cao t\u1eeb m\u1eb7t \u0111\u1ea5t.<\/li>\n<\/ul>\n<p>\u00dd ngh\u0129a c\u1ee7a th\u1ebf n\u0103ng trong v\u1eadt l\u00fd:<\/p>\n<ul>\n<li>Th\u1ebf n\u0103ng gi\u00fap ta hi\u1ec3u v\u00e0 d\u1ef1 \u0111o\u00e1n s\u1ef1 di chuy\u1ec3n v\u00e0 bi\u1ebfn \u0111\u1ed5i c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng v\u1eadt ch\u1ea5t.<\/li>\n<li>Th\u1ebf n\u0103ng l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng quan tr\u1ecdng trong t\u1ef1 nhi\u00ean v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 c\u01a1 h\u1ecdc, \u0111i\u1ec7n h\u1ecdc v\u00e0 nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"4_Cac_dang_the_nang_pho_bien_The_nang_hap_dan_the_nang_dan_hoi_lo_xo_the_nang_dien_tich\"><\/span>4. C\u00e1c d\u1ea1ng th\u1ebf n\u0103ng ph\u1ed5 bi\u1ebfn: Th\u1ebf n\u0103ng h\u1ea5p d\u1eabn, th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i l\u00f2 xo, th\u1ebf n\u0103ng \u0111i\u1ec7n t\u00edch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"The_nang_hap_dan\"><\/span>Th\u1ebf n\u0103ng h\u1ea5p d\u1eabn:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Th\u1ebf n\u0103ng h\u1ea5p d\u1eabn l\u00e0 lo\u1ea1i th\u1ebf n\u0103ng m\u00e0 m\u1ed9t v\u1eadt c\u00f3 khi \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng b\u1edfi s\u1ee9c h\u1ea5p d\u1eabn c\u1ee7a m\u1ed9t v\u1eadt kh\u00e1c. V\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn v\u1ec1 th\u1ebf n\u0103ng n\u00e0y l\u00e0 khi ta n\u00e2ng m\u1ed9t v\u1eadt l\u00ean t\u1eeb m\u1eb7t \u0111\u1ea5t. Khi ta l\u00e0m vi\u1ec7c \u0111\u1ec3 n\u00e2ng v\u1eadt l\u00ean, c\u00f4ng n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh th\u1ebf n\u0103ng trong v\u1eadt.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"The_nang_dan_hoi_lo_xo\"><\/span>Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i l\u00f2 xo:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i l\u00f2 xo l\u00e0 lo\u1ea1i th\u1ebf n\u0103ng m\u00e0 m\u1ed9t v\u1eadt c\u00f3 khi b\u1ecb bi\u1ebfn d\u1ea1ng b\u1edfi l\u1ef1c c\u0103ng ho\u1eb7c \u00e9p c\u1ee7a l\u00f2 xo. V\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 khi ta k\u00e9o c\u0103ng l\u00f2 xo. Khi ta k\u00e9o c\u0103ng l\u00f2 xo, c\u00f4ng n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh th\u1ebf n\u0103ng trong l\u00f2 xo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"The_nang_dien_tich\"><\/span>Th\u1ebf n\u0103ng \u0111i\u1ec7n t\u00edch:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Th\u1ebf n\u0103ng \u0111i\u1ec7n t\u00edch l\u00e0 lo\u1ea1i th\u1ebf n\u0103ng m\u00e0 m\u1ed9t v\u1eadt c\u00f3 khi \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c \u0111i\u1ec7n t\u00edch. V\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn l\u00e0 khi ta di chuy\u1ec3n m\u1ed9t v\u1eadt mang \u0111i\u1ec7n trong m\u1ed9t tr\u01b0\u1eddng \u0111i\u1ec7n. C\u00f4ng \u0111\u01b0\u1ee3c ti\u00eau t\u1ed1n \u0111\u1ec3 di chuy\u1ec3n v\u1eadt n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh th\u1ebf n\u0103ng trong v\u1eadt.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Don_vi_do_cua_the_nang_Jun_J\"><\/span>5. \u0110\u01a1n v\u1ecb \u0111o c\u1ee7a th\u1ebf n\u0103ng: Jun (J)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u01a1n v\u1ecb \u0111o c\u1ee7a th\u1ebf n\u0103ng trong h\u1ec7 SI l\u00e0 Joule (J). M\u1ed9t Joule \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 c\u00f4ng ti\u00eau t\u1ed1n khi m\u1ed9t l\u1ef1c 1 Newton di chuy\u1ec3n m\u1ed9t v\u1eadt 1 m\u00e9t theo h\u01b0\u1edbng c\u1ee7a l\u1ef1c \u0111\u00f3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Tinh_toan_cong_va_the_nang_dan_hoi_cua_lo_xo\"><\/span>6. T\u00ednh to\u00e1n c\u00f4ng v\u00e0 th\u1ebf n\u0103ng \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi ta k\u00e9o c\u0103ng ho\u1eb7c \u00e9p l\u00f2 xo, ta cung c\u1ea5p c\u00f4ng \u0111\u1ec3 bi\u1ebfn d\u1ea1ng l\u00f2 xo t\u1eeb tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u. C\u00f4ng n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh th\u1ebf n\u0103ng trong l\u00f2 xo.<\/p>\n<p>C\u00f4ng ti\u00eau t\u1ed1n \u0111\u1ec3 bi\u1ebfn d\u1ea1ng l\u00f2 xo c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng c\u00f4ng th\u1ee9c: C\u00f4ng = 1\/2kx^2, trong \u0111\u00f3 k l\u00e0 h\u1eb1ng s\u1ed1 \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo v\u00e0 x l\u00e0 bi\u1ebfn d\u1ea1ng c\u1ee7a l\u00f2 xo.<\/p>\n<p>Th\u1ebf n\u0103ng trong l\u00f2 xo c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng c\u00f4ng th\u1ee9c: U = 1\/2kx^2, trong \u0111\u00f3 U l\u00e0 th\u1ebf n\u0103ng, k l\u00e0 h\u1eb1ng s\u1ed1 \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo v\u00e0 x l\u00e0 bi\u1ebfn d\u1ea1ng c\u1ee7a l\u00f2 xo.<\/p>\n<p>Th\u1ebf n\u0103ng l\u00e0 kh\u1ea3 n\u0103ng v\u00e0 ti\u1ec1m n\u0103ng c\u1ee7a m\u1ed7i c\u00e1 nh\u00e2n \u0111\u1ec3 ph\u00e1t tri\u1ec3n v\u00e0 th\u00e0nh c\u00f4ng trong cu\u1ed9c s\u1ed1ng. N\u00f3 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o ki\u1ebfn th\u1ee9c v\u00e0 k\u1ef9 n\u0103ng, m\u00e0 c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o \u0111am m\u00ea, s\u1ef1 t\u1ef1 tin v\u00e0 \u00fd ch\u00ed. Hi\u1ec3u v\u00e0 khai th\u00e1c th\u1ebf n\u0103ng c\u1ee7a b\u1ea3n th\u00e2n l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 th\u00e0nh c\u00f4ng v\u00e0 h\u1ea1nh ph\u00fac trong cu\u1ed9c s\u1ed1ng.<br \/>\n<iframe loading=\"lazy\" title=\"TH\u1ebe N\u0102NG\" width=\"790\" height=\"444\" src=\"https:\/\/www.youtube.com\/embed\/iqYlYYyNO8Y?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Th\u1ebf n\u0103ng l\u00e0 kh\u1ea3 n\u0103ng, ti\u1ec1m n\u0103ng hay t\u00e0i n\u0103ng m\u00e0 m\u1ed7i ng\u01b0\u1eddi \u0111\u1ec1u c\u00f3 \u0111\u1ec3 ph\u00e1t tri\u1ec3n v\u00e0 th\u00e0nh c\u00f4ng trong cu\u1ed9c s\u1ed1ng. \u0110\u00f3 l\u00e0 nh\u1eefng&#8230; <\/p>\n","protected":false},"author":1,"featured_media":28278,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-28280","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khai-niem-1"],"_links":{"self":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/28280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/comments?post=28280"}],"version-history":[{"count":0,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/28280\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media\/28278"}],"wp:attachment":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media?parent=28280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/categories?post=28280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/tags?post=28280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}