{"id":8776,"date":"2021-11-21T15:09:13","date_gmt":"2021-11-21T08:09:13","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=8776"},"modified":"2021-11-21T16:03:07","modified_gmt":"2021-11-21T09:03:07","slug":"tai-sao-o-to-khi-chay-phai-han-che-toc-do","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-o-to-khi-chay-phai-han-che-toc-do\/","title":{"rendered":"T\u1ea1i sao \u00f4 t\u00f4 khi ch\u1ea1y ph\u1ea3i h\u1ea1n ch\u1ebf t\u1ed1c \u0111\u1ed9?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">N\u0103m 1885, m\u1ed9t ng\u01b0\u1eddi \u0110\u1ee9c \u0111\u00e3 ch\u1ebf t\u1ea1o chi\u1ebfc \u00f4 t\u00f4 b\u1ed1n k\u1ef3 ch\u1ea1y b\u1eb1ng \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi. Su\u1ed1t qu\u00e1 tr\u00ecnh l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n h\u01a1n 100 n\u0103m nay, vi\u1ec7c <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">thi\u1ebft k\u1ebf<\/a> ch\u1ebf t\u1ea1o \u00f4 t\u00f4 \u0111\u1ec1u lu\u00f4n lu\u00f4n l\u1ea5y vi\u1ec7c theo \u0111u\u1ed5i t\u1ed1c \u0111\u1ed9 cao l\u00e0m m\u1ee5c \u0111\u00edch. Vi\u1ec7c ph\u00e2n chia c\u00e1c \u0111\u01b0\u1eddng cao t\u1ed1c v\u00e0 t\u1ed1c \u0111\u1ed9 th\u1ea5p cho \u00f4 t\u00f4 \u1edf c\u00e1c th\u00e0nh ph\u1ed1 hi\u1ec7n \u0111\u1ea1i v\u00e0 x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng tr\u00ean kh\u00f4ng, c\u0169ng nh\u1eb1m m\u1ee5c \u0111\u00edch ph\u00e1t huy \u0111\u1ea7y \u0111\u1ee7 t\u00ednh n\u0103ng cao t\u1ed1c n\u1ed9i t\u1ea1i c\u1ee7a \u00f4 t\u00f4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, t\u1ed1c \u0111\u1ed9 c\u1ee7a \u00f4 t\u00f4 c\u00f3 th\u1ec3 t\u0103ng nhanh m\u1ed9t c\u00e1ch kh\u00f4ng h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c kh\u00f4ng?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d4 t\u00f4 \u0111\u01b0\u1ee3c coi l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng nhanh \u1edf tr\u00ean b\u1ed9, n\u00f3 d\u1ef1a v\u00e0o l\u1ef1c ma s\u00e1t gi\u1eefa b\u00e1nh xe v\u00e0 m\u1eb7t \u0111\u01b0\u1eddng \u0111\u1ec3 \u0111\u1ea9y \u00f4 t\u00f4 ti\u1ebfn l\u00ean. \u00d4 t\u00f4 d\u1ef1a v\u00e0o tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n n\u00f3 l\u00e0m t\u0103ng l\u1ef1c ma s\u00e1t \u0111\u1ed1i v\u1edbi m\u1eb7t \u0111\u1ea5t, n\u1ebfu \u00f4 t\u00f4 t\u00e1ch kh\u1ecfi s\u1ef1 ti\u1ebfp x\u00fac v\u1edbi m\u1eb7t \u0111\u1ea5t, th\u00ec s\u1ebd kh\u00f4ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c, r\u1ea5t nguy hi\u1ec3m. Khi \u00f4 t\u00f4 ch\u1ea1y v\u1edbi t\u1ed1c \u0111\u1ed9 cao, v\u00ec s\u1ef1 \u0111\u1ed1i l\u01b0u c\u1ee7a kh\u00f4ng kh\u00ed \u0111\u00e3 s\u1ea3n sinh ra m\u1ed9t l\u1ef1c n\u00e2ng \u0111\u1ed1i v\u1edbi \u00f4 t\u00f4, \u00f4 t\u00f4 c\u00e0ng ch\u1ea1y nhanh, l\u1ef1c n\u00e2ng c\u00e0ng l\u1edbn, l\u1ef1c n\u00e2ng c\u00e0ng l\u1edbn, c\u00e0ng d\u1ec5 d\u00e0ng l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng \u00f4 t\u00f4 t\u00e1ch r\u1eddi kh\u1ecfi m\u1eb7t \u0111\u1ea5t, trong khi tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a \u00f4 t\u00f4 kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c l\u1ef1c n\u00e2ng, th\u00ec s\u1ebd x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng l\u1eadt xe. Do \u0111\u00f3, h\u1ea1n ch\u1ebf t\u1ed1c \u0111\u1ed9 xe l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi quy \u0111\u1ecbnh h\u1ea1n ch\u1ebf t\u1ed1c \u0111\u1ed9 xe kh\u00e1c nhau. N\u01b0\u1edbc \u0110\u1ee9c l\u00e0 m\u1ed9t trong s\u1ed1 \u00edt n\u01b0\u1edbc kh\u00f4ng h\u1ea1n ch\u1ebf t\u1ed1c \u0111\u1ed9 xe, nh\u01b0ng chuy\u1ec3n h\u01b0\u1edbng v\u00e0 phanh g\u1ea5p \u1edf t\u1ed1c \u0111\u1ed9 cao v\u1eabn b\u1ecb coi l\u00e0 vi ph\u1ea1m lu\u1eadt l\u1ec7 giao th\u00f4ng. C\u00e1c n\u01b0\u1edbc cho ph\u00e9p t\u1ed1c \u0111\u1ed9 \u00f4 t\u00f4 cao nh\u1ea5t 130 km\/h l\u00e0 Ph\u00e1p, \u00e1o, Thu\u1ef5 S\u0129, t\u1ed1c \u0111\u1ed9 cao nh\u1ea5t 120 km\/h c\u00f3 Bungari, Nam T\u01b0, Ph\u1ea7n Lan, B\u1ec9, Lu\u00fdchx\u0103mbua, T\u00e2y Ban Nha, B\u1ed3 \u0110\u00e0o Nha; t\u1ed1c \u0111\u1ed9 cao nh\u1ea5t 110 km\/h c\u00f3 Nh\u1eadt B\u1ea3n, Hunggari, Hy L\u1ea1p, \u0110an M\u1ea1ch, H\u00e0 Lan; t\u1ed1c \u0111\u1ed9 cao nh\u1ea5t 90 km\/h c\u00f3 Rumani, Th\u1ed5 Nh\u0129 K\u1ef3, Na Uy, v.v. M\u1ef9 l\u00e0 n\u01b0\u1edbc c\u00f3 tai n\u1ea1n \u00f4 t\u00f4 nhi\u1ec1u nh\u1ea5t, n\u00ean quy \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 cao nh\u1ea5t l\u00e0 88 km\/h.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ra, Ph\u00e1p v\u00e0 Hunggari c\u00f2n c\u00f3 quy \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi l\u00e1i xe m\u1edbi (nh\u1eadn b\u1eb1ng l\u00e1i ch\u01b0a \u0111\u1ea7y hai n\u0103m) t\u1ed1c \u0111\u1ed9 xe tr\u00ean c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng ch\u00ednh kh\u00f4ng qu\u00e1 80 km\/h. C\u00f2n \u1edf Thu\u1ef5 S\u0129, \u1edf nh\u1eefng khu d\u00e2n c\u01b0, \u00f4 t\u00f4 kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 50 km\/h, tr\u00ean c\u00e1c \u0111\u01b0\u1eddng ch\u00ednh trong th\u00e0nh ph\u1ed1 cho ph\u00e9p \u0111\u1ea1t \u0111\u1ebfn 60 km\/h.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede Trung Qu\u1ed1c quy \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 xe tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 120 km\/h. \u0110i\u1ec1u th\u00fa v\u1ecb l\u00e0, tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c, c\u00f2n c\u00f3 s\u1ef1 h\u1ea1n ch\u1ebf \u0111\u1ed1i v\u1edbi t\u1ed1c \u0111\u1ed9 th\u1ea5p nh\u1ea5t, n\u00f3i chung kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ea5p h\u01a1n 50 km\/h. Nh\u01b0 v\u1eady l\u00e0 \u0111\u1ec3 ng\u0103n ng\u1eeba m\u1ed9t s\u1ed1 xe c\u00f3 t\u1ed1c \u0111\u1ed9 qu\u00e1 ch\u1eadm ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 giao th\u00f4ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a xe c\u1ed9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a: T\u1ed1c \u0111\u1ed9 xe; Gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u0103m 1885, m\u1ed9t ng\u01b0\u1eddi \u0110\u1ee9c \u0111\u00e3 ch\u1ebf t\u1ea1o chi\u1ebfc \u00f4 t\u00f4 b\u1ed1n k\u1ef3 ch\u1ea1y b\u1eb1ng \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi. Su\u1ed1t qu\u00e1 tr\u00ecnh l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n h\u01a1n 100 n\u0103m nay, vi\u1ec7c thi\u1ebft k\u1ebf ch\u1ebf t\u1ea1o \u00f4 t\u00f4 \u0111\u1ec1u lu\u00f4n lu\u00f4n l\u1ea5y vi\u1ec7c theo \u0111u\u1ed5i t\u1ed1c \u0111\u1ed9 cao l\u00e0m m\u1ee5c \u0111\u00edch. [&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-8776","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\/8776","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=8776"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8776\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}