{"id":1205,"date":"2021-10-09T00:53:02","date_gmt":"2021-10-09T00:53:02","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=1205"},"modified":"2021-10-14T22:12:03","modified_gmt":"2021-10-14T15:12:03","slug":"su-can-bang-luc-quan-tinh-la-gi-nhung-dieu-can-biet-vat-ly-8","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/su-can-bang-luc-quan-tinh-la-gi-nhung-dieu-can-biet-vat-ly-8\/","title":{"rendered":"S\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c qu\u00e1n t\u00ednh l\u00e0 g\u00ec? Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1eadt l\u00fd 8"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong cu\u1ed9c s\u1ed1ng th\u01b0\u1eddng ng\u00e0y, l\u1ef1c lu\u00f4n c\u00f3 m\u1eb7t v\u00e0 t\u00e1c \u0111\u1ed9ng l\u00ean m\u1ecdi v\u1eadt. Ch\u00fang ta v\u1eabn th\u01b0\u1eddng hay n\u00f3i \u0111\u1ebfn qu\u00e1n t\u00ednh, l\u1ef1c qu\u00e1n t\u00ednh. V\u1eady \u0111i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a l\u00e0 g\u00ec? M\u1ed9t v\u1eadt th\u00f4ng th\u01b0\u1eddng c\u00f3 qu\u00e1n t\u00ednh hay kh\u00f4ng? \u0110\u00e2y ch\u00ednh l\u00e0 nh\u1eefng c\u00e2u h\u1ecfi \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u b\u1ea1n <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a> l\u1edbp 8 \u0111\u1eb7t ra. Ki\u1ebfn th\u1ee9c trong b\u00e0i h\u1ecdc v\u1eadt l\u00fd l\u1edbp 8 s\u1ebd gi\u00fap c\u00e1c em gi\u1ea3i \u0111\u00e1p \u0111i\u1ec1u n\u00e0y. B\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay, ch\u00fang ta h\u00e3y c\u00f9ng nhau t\u00ecm hi\u1ec3u v\u1ec1 s\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c qu\u00e1n t\u00ednh, l\u1ef1c qu\u00e1n t\u00ednh l\u00e0 g\u00ec nh\u00e9!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5 v\u1ec1 s\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c qu\u00e1n t\u00ednh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ef1c l\u00e0 g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi \u0111\u1ebfn v\u1edbi ki\u1ebfn th\u1ee9c chung c\u1ee7a b\u00e0i, ch\u00fang ta c\u1ea7n ph\u1ea3i c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng qu\u00e1t v\u1ec1 l\u1ef1c. L\u1ef1c l\u00e0 g\u00ec? L\u1ef1c t\u1ed3n t\u1ea1i khi n\u00e0o? L\u1ef1c \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a v\u00f4 c\u00f9ng \u0111\u01a1n gi\u1ea3n. Khi v\u1eadt n\u00e0y t\u00e1c d\u1ee5ng k\u00e9o ho\u1eb7c \u0111\u1ea9y l\u00ean l\u1ef1c kh\u00e1c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u00e1c d\u1ee5ng l\u1ef1c. Hay n\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, khi l\u1ef1c xu\u1ea5t hi\u1ec7n khi v\u1eadt n\u00e0y t\u00e1c \u0111\u1ed9ng l\u00ean m\u1ed9t v\u1eadt kh\u00e1c. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o l\u1ef1c t\u00e1c \u0111\u1ed9ng c\u0169ng t\u1ea1o ra k\u1ebft qu\u1ea3 \u0111\u1ec3 ch\u00fang ta c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft. S\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c qu\u00e1n t\u00ednh c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ebft qu\u1ea3 c\u1ee7a t\u00e1c d\u1ee5ng l\u1ef1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ef1c t\u1ed3n t\u1ea1i tr\u00ean tr\u00e1i \u0111\u1ea5t v\u00e0 v\u1ea1n v\u1eadt \u0111\u1ec1u ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c. Tr\u1ecdng l\u1ef1c ch\u00ednh l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean v\u1eadt. Tr\u1ecdng l\u1ef1c ch\u00ednh l\u00e0 l\u1ef1c h\u00fat c\u1ee7a tr\u00e1i \u0111\u1ea5t. M\u1ecdi v\u1eadt tr\u00ean tr\u00e1i \u0111\u1ea5t n\u00e0y \u0111\u1ec1u ch\u1ecbu s\u1ef1 t\u00e1c \u0111\u1ed9ng c\u1ee7a tr\u1ecdng l\u1ef1c. Ch\u00fang ta nh\u00ecn th\u1ea5y m\u1ed9t v\u1eadt \u0111\u1ee9ng y\u00ean tr\u00ean m\u1eb7t \u0111\u1ea5t. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, v\u1eadt \u0111ang ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a tr\u1ecdng l\u1ef1c v\u00e0 l\u1ef1c n\u00e2ng c\u1ee7a m\u1eb7t \u0111\u1ea5t. \u0110\u00e2y l\u00e0 hai l\u1ef1c c\u00e2n b\u1eb1ng gi\u00fap cho v\u1eadt \u0111\u1ee9ng y\u00ean, kh\u00f4ng di chuy\u1ec3n. Ch\u00ednh v\u00ec v\u1eady, hi\u1ec3u v\u1ec1 l\u1ef1c, ch\u00fang ta m\u1edbi c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u \u0111\u01b0\u1ee3c l\u1ef1c qu\u00e1n t\u00ednh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai l\u1ef1c c\u00e2n b\u1eb1ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai l\u1ef1c c\u00e2n b\u1eb1ng ch\u00ednh l\u00e0 ti\u1ec1n \u0111\u1ec1 t\u00ecm ra l\u1ef1c qu\u00e1n t\u00ednh. Ch\u00ednh v\u00ec v\u1eady, ch\u00fang ta c\u1ea7n bi\u1ebft v\u1ec1 l\u1ef1c c\u00e2n b\u1eb1ng tr\u01b0\u1edbc khi \u0111\u1ebfn v\u1edbi ph\u1ea7n ch\u00ednh c\u1ee7a b\u00e0i vi\u1ebft h\u00f4m nay. L\u1ef1c c\u00e2n b\u1eb1ng, gi\u1ed1ng nh\u01b0 t\u00ean g\u1ecdi c\u1ee7a n\u00f3. Hai l\u1ef1c c\u00f3 c\u00f9ng \u0111\u1ed9 l\u1edbn, c\u00f9ng ph\u01b0\u01a1ng, ng\u01b0\u1ee3c chi\u1ec1u t\u00e1c d\u1ee5ng v\u00e0o c\u00f9ng 1 v\u1eadt \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hai l\u1ef1c c\u00e2n b\u1eb1ng. Trong ch\u01b0\u01a1ng tr\u00ecnh v\u1eadt l\u00fd 6, ch\u00fang ta \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ecm hi\u1ec3u qua v\u1ec1 \u0111i\u1ec1u n\u00e0y. Khi m\u1ed9t v\u1eadt ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a hai l\u1ef1c c\u00e2n b\u1eb1ng. V\u1eadt \u0111\u1ee9ng y\u00ean s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u1ee9ng y\u00ean. V\u1eadt \u0111ang chuy\u1ec3n \u0111\u1ed9ng s\u1ebd kh\u00f4ng thay \u0111\u1ed5i qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong tr\u01b0\u1eddng h\u1ee3p v\u1eadt chuy\u1ec3n \u0111\u1ed9ng v\u1eabn ti\u1ebfp t\u1ee5c chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ec1u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 chuy\u1ec3n \u0111\u1ed9ng theo qu\u00e1n t\u00ednh. \u0110\u00e2y c\u0169ng ch\u00ednh l\u00e0 ti\u1ec1n \u0111\u1ec1 ph\u00e1t tri\u1ec3n s\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c qu\u00e1n t\u00ednh. C\u00e1c nh\u00e0 v\u1eadt l\u00fd h\u1ecdc t\u00ecm hi\u1ec3u ra l\u1ef1c qu\u00e1n t\u00ednh c\u0169ng l\u00e0 nh\u1edd \u0111i\u1ec1u n\u00e0y. Th\u00f4ng th\u01b0\u1eddng, khi v\u1eadt ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c m\u1ed9t c\u00e1ch \u0111\u1ed9t ng\u1ed9t s\u1ebd c\u00f3 xu h\u01b0\u1edbng thay \u0111\u1ed5i v\u1eadn t\u1ed1c, ho\u1eb7c h\u00ecnh d\u1ea1ng. V\u1eadt thay \u0111\u1ed5i v\u1eadn t\u1ed1c nhanh hay ch\u1eadm nh\u1edd v\u00e0o qu\u00e1n t\u00ednh c\u1ee7a v\u1eadt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang ta v\u1eabn th\u01b0\u1eddng g\u1eb7p l\u1ef1c c\u00e2n b\u1eb1ng t\u00e1c d\u1ee5ng l\u00ean m\u1ed9t v\u1eadt \u0111\u1ee9ng y\u00ean. M\u1ed9t quy\u1ec3n s\u00e1ch \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean b\u00e0n. Th\u1ef1c t\u1ebf quy\u1ec3n s\u00e1ch n\u00e0y \u0111ang ch\u1ecbu hai l\u1ef1c c\u00e2n b\u1eb1ng ch\u00ednh l\u00e0 tr\u1ecdng l\u1ef1c v\u00e0 l\u1ef1c n\u00e2ng. Tuy nhi\u00ean quy\u1ec3n s\u00e1ch kh\u00f4ng h\u1ec1 di chuy\u1ec3n hay bi\u1ebfn d\u1ea1ng. \u0110\u00e2y ch\u00ednh l\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a hai l\u1ef1c c\u00e2n b\u1eb1ng. S\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c qu\u00e1n t\u00ednh \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n r\u00f5 nh\u1ea5t trong tr\u01b0\u1eddng h\u1ee3p v\u1eadt chuy\u1ec3n \u0111\u1ed9ng ti\u1ebfp t\u1ee5c chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadt \u0111ang chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ed9t ng\u1ed9t ch\u1ecbu hai l\u1ef1c c\u00e2n b\u1eb1ng sao kh\u00f4ng d\u1eebng l\u1ea1i r\u1ed3i chuy\u1ec3n \u0111\u1ed9ng ti\u1ebfp. M\u00e0 l\u1ea1i gi\u1eef nguy\u00ean v\u1eadn t\u1ed1c v\u00e0 qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y l\u00e0 nh\u1edd v\u00e0o l\u1ef1c qu\u00e1n t\u00ednh c\u1ee7a v\u1eadt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c qu\u00e1n t\u00ednh l\u00e0 g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi c\u00f3 l\u1ef1c t\u00e1c d\u1ee5ng, v\u1eadt kh\u00f4ng th\u1ec3 \u0111\u1ed9t ng\u1ed9t thay \u0111\u1ed5i v\u1eadn t\u1ed1c. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra l\u00e0 b\u1edfi v\u00ec m\u1ecdi v\u1eadt \u0111\u1ec1u c\u00f3 qu\u00e1n t\u00ednh. Hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, qu\u00e1n t\u00ednh c\u1ee7a v\u1eadt ch\u00ednh l\u00e0 t\u00ednh ch\u1ea5t gi\u1eef nguy\u00ean v\u1eadn t\u1ed1c v\u00e0 h\u01b0\u1edbng chuy\u1ec3n \u0111\u1ed9ng. L\u1ef1c t\u00e1c \u0111\u1ed9ng c\u00e0ng l\u1edbn th\u00ec s\u1ef1 bi\u1ebfn \u0111\u1ed5i v\u1ec1 v\u1eadn t\u1ed1c v\u00e0 h\u01b0\u1edbng c\u1ee7a v\u1eadt c\u00e0ng nhanh. Ch\u00fang ta c\u00f3 th\u1ec3 nh\u1eadn ra \u0111\u01b0\u1ee3c l\u1ef1c qu\u00e1n t\u00ednh trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf. Khi ch\u00fang ta \u0111i xe \u00f4 t\u00f4, xe \u0111\u1ed9t ng\u1ed9t phanh g\u1ea5p. L\u00fac n\u00e0y c\u01a1 th\u1ec3 ch\u00fang ta theo xu h\u01b0\u1edbng s\u1ebd \u0111\u1ed5 v\u1ec1 ph\u00eda tr\u01b0\u1edbc. Ta n\u00f3i, c\u01a1 th\u1ec3 ch\u00fang ta \u0111ang c\u00f3 l\u1ef1c qu\u00e1n t\u00ednh theo chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a xe, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dao \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn c\u00e2n b\u1eb1ng l\u1ef1c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c qu\u00e1n t\u00ednh x\u1ea3y ra khi v\u1eadt ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a hai l\u1ef1c c\u00e2n b\u1eb1ng. Khi v\u1eadt ch\u1ecbu \u0111\u1ed3ng th\u1eddi hai l\u1ef1c c\u00e2n b\u1eb1ng, v\u1eadt kh\u00f4ng h\u1ec1 d\u1eebng l\u1ea1i. V\u1eadt v\u1eabn ti\u1ebfp t\u1ee5c chuy\u1ec3n \u0111\u1ed9ng theo v\u1eadn t\u1ed1c v\u00e0 h\u01b0\u1edbng l\u00fac \u0111\u1ea7u. \u0110\u00e2y ch\u00ednh l\u00e0 qu\u00e1n t\u00ednh c\u1ee7a v\u1eadt t\u1ea1o ra s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng. Kh\u00f4ng ch\u1ec9 v\u1eady, v\u1eadt c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng c\u00e0ng l\u1edbn th\u00ec s\u1ef1 bi\u1ebfn \u0111\u1ed5i chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt di\u1ec5n ra c\u00e0ng ch\u1eadm. Hay n\u00f3i c\u00e1ch kh\u00e1c, v\u1eadt c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng c\u00e0ng l\u1edbn th\u00ec qu\u00e1n t\u00ednh c\u00e0ng l\u1edbn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ea5y m\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n, khi ch\u00fang ta \u0111i xe \u00f4 t\u00f4 l\u1edbn. Ch\u00fang ta phanh xe l\u1ea1i. Xe s\u1ebd m\u1ea5t kho\u1ea3ng v\u00e0i gi\u00e2y \u0111\u1ec3 d\u1eebng h\u1eb3n chuy\u1ec3n \u0111\u1ed9ng d\u00f9 \u0111\u00e3 ch\u1ecbu l\u1ef1c c\u1ea3n. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y, kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a xe l\u1edbn d\u1eabn \u0111\u1ebfn qu\u00e1n t\u00ednh c\u1ee7a xe c\u0169ng l\u1edbn. Xe v\u1eabn ti\u1ebfp t\u1ee5c chuy\u1ec3n \u0111\u1ed9ng v\u1ec1 ph\u00eda tr\u01b0\u1edbc d\u00f9 \u0111\u00e3 \u0111\u01b0\u1ee3c phanh l\u1ea1i. S\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c qu\u00e1n t\u00ednh, ch\u00fang ta c\u00f3 th\u1ec3 nh\u1eadn ra khi \u0111i xe v\u1edbi v\u1eadn t\u1ed1c \u0111\u1ec1u. M\u1eb7c d\u00f9 l\u00fac n\u00e0y xe \u0111ang ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a tr\u1ecdng l\u1ef1c v\u00e0 l\u1ef1c n\u00e2ng c\u1ee7a tr\u00e1i \u0111\u1ea5t. Tuy nhi\u00ean, xe v\u1eabn chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ec1u m\u00e0 kh\u00f4ng c\u00f3 thay \u0111\u1ed5i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c d\u1ea1ng b\u00e0i t\u1eadp v\u1ec1 s\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c, l\u1ef1c qu\u00e1n t\u00ednh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi ch\u1ee7 \u0111\u1ec1 n\u00e0y, c\u00e1c em s\u1ebd \u0111\u01b0\u1ee3c chia th\u00e0nh hai d\u1ea1ng b\u00e0i t\u1eadp nh\u1ecf. B\u00e0i t\u1eadp v\u1ec1 hai l\u1ef1c c\u00e2n b\u1eb1ng v\u00e0 b\u00e0i t\u1eadp v\u1ec1 l\u1ef1c qu\u00e1n t\u00ednh. C\u00e1c em s\u1ebd \u00edt ph\u1ea3i l\u00e0m nh\u1eefng b\u00e0i k\u1ebft h\u1ee3p gi\u1eefa hai ki\u1ebfn th\u1ee9c n\u00e0y. B\u1edfi \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y s\u1ebd r\u1ea5t kh\u00f3 v\u00e0 kh\u00f3 bi\u1ec3n di\u1ec5n l\u1ef1c. B\u00e0i t\u1eadp theo hai ch\u1ee7 \u0111\u1ec1 n\u00e0y v\u1eabn \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c d\u1ea1ng b\u00e0i nh\u01b0 tr\u1eafc nghi\u1ec7m v\u00e0 v\u1eadn d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m th\u01b0\u1eddng s\u1ebd l\u00e0 b\u00e0i ki\u1ec3m tra ki\u1ebfn th\u1ee9c chung c\u1ee7a c\u00e1c em. L\u00fd thuy\u1ebft v\u1ec1 c\u1ea3 hai ch\u1ee7 \u0111\u1ec1 n\u00e0y c\u00e1c em c\u1ea7n ph\u1ea3i n\u1eafm ch\u1eafc. Hai l\u1ef1c c\u00e2n b\u1eb1ng l\u00e0 hai l\u1ef1c nh\u01b0 th\u1ebf n\u00e0o? Hai l\u1ef1c c\u00e2n b\u1eb1ng t\u00e1c d\u1ee5ng l\u00ean v\u1eadt \u0111em t\u1edbi k\u1ebft qu\u1ea3 g\u00ec? \u0110\u00e2y ch\u00ednh l\u00e0 c\u00e2u h\u1ecfi c\u00e1c em th\u01b0\u1eddng g\u1eb7p. Ngo\u00e0i ra, ng\u01b0\u1eddi ra \u0111\u1ec1 c\u0169ng c\u00f3 th\u1ec3 h\u1ecfi v\u1ec1 l\u00fd thuy\u1ebft c\u1ee7a l\u1ef1c qu\u00e1n t\u00ednh. Nh\u1eefng c\u00e2u h\u1ecfi \u0111\u1ecbnh ngh\u0129a, nh\u1eadn bi\u1ebft l\u1ef1c s\u1ebd \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp \u0111\u1ec3 ki\u1ec3m tra ki\u1ebfn th\u1ee9c. S\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c, l\u1ef1c qu\u00e1n t\u00ednh c\u00f3 l\u00fd thuy\u1ebft kh\u00e1 \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 hi\u1ec3u. C\u00e1c em ch\u1ec9 c\u1ea7n h\u1ecdc thu\u1ed9c l\u00e0 c\u00f3 th\u1ec3 l\u00e0m b\u00e0i t\u1eadp.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea1ng b\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m \u0111\u00f4i khi c\u0169ng d\u1ec5 \u0111\u00e1nh l\u1eeba c\u00e1c em b\u1eb1ng nh\u1eefng c\u00e2u tr\u1ea3 l\u1eddi kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7. H\u00e3y ch\u1eafc ch\u1eafn r\u1eb1ng, \u0111\u00e1p \u00e1n c\u00e1c em l\u1ef1a ch\u1ecdn ph\u1ea3i l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0 \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t. Nh\u1eefng c\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m d\u1ea1ng nh\u1eadn bi\u1ebft l\u1ef1c. C\u00e1c em n\u00ean ghi nh\u1edb \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a s\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c, l\u1ef1c qu\u00e1n t\u00ednh. Nh\u01b0 v\u1eady c\u00e1c em m\u1edbi c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c l\u1ef1c \u0111\u1ec3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai \u0111\u1ed9i \u0111ang ch\u01a1i k\u00e9o co<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea1ng b\u00e0i v\u1eadn d\u1ee5ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1c v\u1edbi nh\u1eefng b\u00e0i tr\u1eafc nghi\u1ec7m cho s\u1eb5n \u0111\u00e1p \u00e1n. D\u1ea1ng b\u00e0i v\u1eadn d\u1ee5ng s\u1ebd y\u00eau c\u1ea7u c\u00e1c em v\u1ebd ph\u00e2n t\u00edch l\u1ef1c. \u0110\u00f4i khi l\u00e0 t\u00ednh to\u00e1n \u0111\u1ed9 l\u1edbn c\u1ee7a l\u1ef1c. V\u1edbi d\u1ea1ng b\u00e0i t\u1eadp n\u00e0y, c\u00e1c em c\u1ea7n n\u1eafm ch\u1eafc c\u00e1ch bi\u1ec3u di\u1ec5n l\u1ef1c. Kh\u00f4ng ch\u1ec9 v\u1eady, c\u00e1c em c\u00f2n c\u1ea7n ph\u1ea3i nh\u1edb c\u00f4ng th\u1ee9c t\u00ednh to\u00e1n \u0111\u1ed9 l\u1edbn c\u1ee7a l\u1ef1c. Ph\u01b0\u01a1ng, chi\u1ec1u, \u0111\u1ed9 l\u1edbn \u0111\u1ec1u l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 c\u00e1c em c\u1ea7n ph\u1ea3i quan t\u00e2m khi ph\u00e2n t\u00edch l\u1ef1c. S\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c, l\u1ef1c qu\u00e1n t\u00ednh \u0111\u1ec1u c\u00f3 th\u1ec3 ph\u00e2n t\u00edch l\u1ef1c. H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn \u0111\u1ec1 d\u1eef li\u1ec7u \u0111\u1ec1 b\u00e0i \u0111\u01b0a ra. \u0110\u00e2y s\u1ebd l\u00e0 g\u1ee3i \u00fd l\u1edbn trong c\u00e1ch l\u00e0m b\u00e0i c\u1ee7a c\u00e1c em.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u v\u00ed d\u1ee5 v\u1ec1 qu\u00e1n t\u00ednh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean \u0111\u00e2y l\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 s\u1ef1 c\u00e2n b\u1eb1ng l\u1ef1c qu\u00e1n t\u00ednh \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p v\u00e0 v\u1eadn d\u1ee5ng. Ch\u00fang t\u00f4i \u0111\u00e3 l\u1ea5y v\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u00e0 l\u00fd thuy\u1ebft. Hy v\u1ecdng c\u00e1c em c\u00f3 th\u1ec3 ghi nh\u1edb nhanh ch\u00f3ng v\u00e0 hi\u1ec3u b\u00e0i d\u1ec5 d\u00e0ng h\u01a1n. C\u1ea3m \u01a1n c\u00e1c em \u0111\u00e3 \u0111\u00f3n \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y. Nh\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 v\u1eadt l\u00fd l\u1edbp 8 hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c \u0111\u0103ng t\u1ea3i tr\u00ean trang ch\u1ee7. C\u00e1c em h\u00e3y \u0111\u00f3n \u0111\u1ecdc ngay h\u00f4m nay nh\u00e9! \u0110\u1eebng qu\u00ean trang b\u1ecb th\u00eam ki\u1ebfn th\u1ee9c v<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Trong cu\u1ed9c s\u1ed1ng th\u01b0\u1eddng ng\u00e0y, l\u1ef1c lu\u00f4n c\u00f3 m\u1eb7t v\u00e0 t\u00e1c \u0111\u1ed9ng l\u00ean m\u1ecdi v\u1eadt. Ch\u00fang ta v\u1eabn th\u01b0\u1eddng hay n\u00f3i \u0111\u1ebfn qu\u00e1n t\u00ednh, l\u1ef1c qu\u00e1n t\u00ednh. V\u1eady \u0111i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a l\u00e0 g\u00ec? M\u1ed9t v\u1eadt th\u00f4ng th\u01b0\u1eddng c\u00f3 qu\u00e1n t\u00ednh hay kh\u00f4ng? \u0110\u00e2y ch\u00ednh l\u00e0 nh\u1eefng c\u00e2u [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[4,7],"tags":[],"class_list":["post-1205","post","type-post","status-publish","format-standard","hentry","category-trung-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=1205"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1205\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=1205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=1205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=1205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}