{"id":8780,"date":"2021-11-21T15:09:41","date_gmt":"2021-11-21T08:09:41","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=8780"},"modified":"2021-11-21T16:03:07","modified_gmt":"2021-11-21T09:03:07","slug":"tai-sao-tren-o-to-co-nhieu-den-den-the","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-tren-o-to-co-nhieu-den-den-the\/","title":{"rendered":"T\u1ea1i sao tr\u00ean \u00f4 t\u00f4 c\u00f3 nhi\u1ec1u \u0111\u00e8n \u0111\u1ebfn th\u1ebf?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1eddng ph\u1ed1 t\u1ea5p n\u1eadp, xe c\u1ed9 \u0111i l\u1ea1i nh\u01b0 m\u1eafc c\u1eedi kh\u00f4ng ng\u1eebng ngh\u1ec9. Kh\u00f4ng bi\u1ebft b\u1ea1n c\u00f3 ch\u00fa \u00fd kh\u00f4ng, tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i \u00f4 t\u00f4 l\u1edbn nh\u1ecf, \u0111\u1eb1ng tr\u01b0\u1edbc \u0111\u1eb1ng sau \u0111\u1ec1u c\u00f3 l\u1eafp r\u1ea5t nhi\u1ec1u \u0111\u00e8n. Nh\u1eefng chi\u1ebfc \u0111\u00e8n \u00f4 t\u00f4 \u1ea5y c\u00f3 c\u00e1i l\u1edbn, c\u00e1i nh\u1ecf, c\u00e1i tr\u00f2n, c\u00e1i vu\u00f4ng, c\u00f3 c\u00e1i l\u1ea1i v\u1eeba d\u1eb9t v\u1eeba d\u00e0i, ngay c\u1ea3 k\u00ednh \u0111\u00e8n \u00f4 t\u00f4 c\u0169ng mu\u00f4n h\u00ecnh mu\u00f4n d\u1ea1ng, \u00e1nh \u0111\u00e8n nh\u1ea5p nh\u00e1y c\u0169ng r\u1ea5t kh\u00e1c nhau. Tr\u00ean \u00f4 t\u00f4 v\u00ec sao l\u1ea1i ph\u1ea3i l\u1eafp nhi\u1ec1u \u0111\u00e8n nh\u01b0 v\u1eady? Ch\u1eb3ng l\u1ebd ch\u00fang \u0111\u1ec1u c\u00f3 c\u00f4ng d\u1ee5ng sao?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 c\u00f4ng d\u1ee5ng c\u1ee7a c\u00e1c lo\u1ea1i \u0111\u00e8n tr\u00ean \u00f4 t\u00f4, thi\u1ebfu m\u1ed9t c\u00e1i c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c. Tr\u01b0\u1edbc ti\u00ean ch\u00fang ta s\u1ebd th\u1eed xem m\u1eb7t tr\u01b0\u1edbc xe. Hai chi\u1ebfc \u0111\u00e8n kh\u00e1 l\u1edbn l\u00e0 \u0111\u00e8n pha, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 chi\u1ebfu s\u00e1ng m\u1eb7t \u0111\u01b0\u1eddng ph\u00eda tr\u01b0\u1edbc khi l\u00e1i ban \u0111\u00eam. \u0110\u00e8n pha th\u01b0\u1eddng chia th\u00e0nh hai gi\u00f3ng, c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng tay. M\u1ed9t lo\u1ea1i l\u00e0 vi\u1ec5n quang, tia s\u00e1ng r\u1ea5t m\u1ea1nh, c\u00f3 th\u1ec3 chi\u1ebfu s\u00e1ng trong ph\u1ea1m vi m\u1ea5y ch\u1ee5c m\u00e9t ph\u00eda tr\u01b0\u1edbc; m\u1ed9t lo\u1ea1i l\u00e0 ch\u1ed1ng qu\u00e1ng m\u1eaft, tia s\u00e1ng y\u1ebfu v\u00e0 chi\u1ebfu xu\u1ed1ng d\u01b0\u1edbi, lo\u1ea1i \u0111\u00e8n pha n\u00e0y kh\u00f4ng l\u00e0m cho l\u00e1i xe \u0111\u1ed1i di\u1ec7n b\u1ecb qu\u00e1ng m\u1eaft. N\u1ebfu nh\u01b0 ph\u00eda \u0111\u1ed1i di\u1ec7n c\u00f3 xe l\u00e1i t\u1edbi, th\u00ec ph\u1ea3i b\u1eadt hai \u0111\u00e8n nh\u1ecf \u1edf b\u00ean c\u1ea1nh, hai \u0111\u00e8n nh\u1ecf n\u00e0y g\u1ecdi l\u00e0 \u0111\u00e8n \u0111\u1ed9 r\u1ed9ng, d\u00f9ng \u0111\u1ec3 b\u1ea3o cho \u0111\u1ed1i ph\u01b0\u01a1ng bi\u1ebft: Xe c\u1ee7a t\u00f4i r\u1ed9ng ch\u1eebng n\u00e0o. \u0110\u1eb1ng tr\u01b0\u1edbc \u00f4 t\u00f4 c\u00f2n c\u00f3 hai \u0111\u00e8n v\u00e0ng nh\u1ecf &#8211; \u0111\u00e8n xinhan, \u0111\u00e8n s\u00e1ng v\u1ec1 h\u01b0\u1edbng b\u00ean n\u00e0o th\u00ec cho bi\u1ebft xe s\u1eafp r\u1ebd v\u1ec1 h\u01b0\u1edbng b\u00ean \u1ea5y. G\u1eb7p ph\u1ea3i tr\u1eddi s\u01b0\u01a1ng m\u00f9, \u0111\u1ec3 xe \u0111i \u0111\u01b0\u1ee3c an to\u00e0n, c\u00f2n ph\u1ea3i b\u1eadt c\u1ea3 hai \u0111\u00e8n m\u00f9 m\u00e0u v\u00e0ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ecnh tr\u1ea1ng \u0111\u00e8n \u1edf m\u1eb7t sau xe c\u0169ng g\u1ea7n gi\u1ed1ng v\u1edbi m\u1eb7t tr\u01b0\u1edbc xe, hai \u0111\u00e8n chi\u1ebfu s\u00e1ng \u0111\u01b0\u1ee3c d\u00f9ng khi quay xe l\u00fac tr\u1eddi t\u1ed1t, hai \u0111\u00e8n \u0111\u1ed9 r\u1ed9ng v\u00e0 hai \u0111\u00e8n xinhan c\u0169ng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 th\u1ec3 hi\u1ec7n \u0111\u1ed9 r\u1ed9ng c\u1ee7a xe v\u00e0 xe s\u1ebd r\u1ebd v\u1ec1 b\u00ean n\u00e0o. \u0110i\u1ec3m kh\u00e1c v\u1edbi m\u1eb7t tr\u01b0\u1edbc xe l\u00e0 m\u1eb7t sau xe kh\u00f4ng c\u00f3 \u0111\u00e8n m\u00f9, nh\u01b0ng l\u1ea1i c\u00f3 th\u00eam hai \u0111\u00e8n \u0111\u1ecf g\u1ecdi l\u00e0 \u0111\u00e8n phanh. Khi n\u00f3 nh\u1ea5p nh\u00e1y th\u00ec ch\u1eebng nh\u01b0 c\u00f3 \u00fd b\u1ea3o: \u201cT\u00f4i s\u1eafp phanh xe \u0111\u00e2y!. \u00d4 t\u00f4 l\u00e1i tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c c\u00f2n c\u00f3 m\u1ed9t \u0111\u00e8n h\u1eadu cao, n\u00f3 c\u00f3 th\u1ec3 nh\u1eafc nh\u1edf cho xe \u1edf \u0111\u1eb1ng sau l\u01b0u \u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ra, \u1edf ch\u1ed7 bi\u1ec3n treo bi\u1ec3n m\u1eb7t sau xe c\u00f2n c\u00f3 m\u1ed9t \u0111\u00e8n bi\u1ec3n xe, khi c\u1ea7n thi\u1ebft, b\u1eadt \u0111\u00e8n bi\u1ec3n xe l\u00ean th\u00ec ngay c\u1ea3 ban \u0111\u00eam c\u0169ng c\u00f3 th\u1ec3 nh\u00ecn r\u00f5 \u0111\u01b0\u1ee3c c\u00e1c ch\u1eef c\u00e1i v\u00e0 con s\u1ed1 tr\u00ean bi\u1ec3n xe. Tr\u00ean \u00f4 t\u00f4 c\u00f2n c\u00f3 b\u1ed1n \u0111\u00e8n nh\u1ea3y k\u00e9p d\u00f9ng khi \u1ee9ng c\u1ee9u, m\u1eb7t tr\u01b0\u1edbc m\u1eb7t sau m\u1ed7i m\u1eb7t c\u00f3 hai \u0111\u00e8n. \u0110\u00e8n nh\u1ea3y k\u00e9p b\u00ecnh th\u01b0\u1eddng r\u1ea5t \u00edt s\u1eed d\u1ee5ng, ch\u1ec9 khi \u00f4 t\u00f4 ph\u00e1t sinh s\u1ef1 c\u1ed1 tr\u00ean \u0111\u01b0\u1eddng th\u00ec b\u1ed1n \u0111\u00e8n nh\u1ea3y k\u00e9p n\u00e0y m\u1edbi nh\u1ea5p nh\u00e1y li\u00ean t\u1ee5c, \u0111\u1ec3 nh\u1eafc nh\u1edf c\u00e1c xe qua l\u1ea1i l\u01b0u \u00fd: \u1edf \u0111\u00e2y c\u00f3 m\u1ed9t chi\u1ebfc xe \u0111ang \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa ho\u1eb7c \u0111ang \u0111\u1ee3i s\u1eeda ch\u1eefa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a: \u0110\u00e8n xe \u00f4 t\u00f4<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u01b0\u1eddng ph\u1ed1 t\u1ea5p n\u1eadp, xe c\u1ed9 \u0111i l\u1ea1i nh\u01b0 m\u1eafc c\u1eedi kh\u00f4ng ng\u1eebng ngh\u1ec9. Kh\u00f4ng bi\u1ebft b\u1ea1n c\u00f3 ch\u00fa \u00fd kh\u00f4ng, tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i \u00f4 t\u00f4 l\u1edbn nh\u1ecf, \u0111\u1eb1ng tr\u01b0\u1edbc \u0111\u1eb1ng sau \u0111\u1ec1u c\u00f3 l\u1eafp r\u1ea5t nhi\u1ec1u \u0111\u00e8n. Nh\u1eefng chi\u1ebfc \u0111\u00e8n \u00f4 t\u00f4 \u1ea5y c\u00f3 c\u00e1i l\u1edbn, c\u00e1i nh\u1ecf, c\u00e1i tr\u00f2n, c\u00e1i vu\u00f4ng, [&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":[15,16],"tags":[],"class_list":["post-8780","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8780","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=8780"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8780\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}