{"id":60071,"date":"2026-01-07T15:15:07","date_gmt":"2026-01-07T15:15:07","guid":{"rendered":"https:\/\/testsdmv.com\/study-guides\/new-jersey\/chapter-12\/"},"modified":"2026-03-20T09:18:44","modified_gmt":"2026-03-20T09:18:44","slug":"chapter-12","status":"publish","type":"page","link":"https:\/\/testsdmv.com\/vi\/study-guides\/new-jersey\/chapter-12\/","title":{"rendered":"Ch\u01b0\u01a1ng 12: K\u00e9o r\u01a1-mo\u00f3c"},"content":{"rendered":"\n<div>\n<div>\n<div class=\"dmv-lang-container\">\n    <div class=\"dmv-lang-links\">\n        \n<div role=\"navigation\" aria-label=\"Language Switcher\" class=\"wpml-ls-statics-shortcode_actions wpml-ls wpml-ls-legacy-list-horizontal\">\n\t<ul><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-en wpml-ls-first-item wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/\" hreflang=\"en\" lang=\"en\" class=\"wpml-ls-link\" aria-label=\"Switch to English\" title=\"Switch to English\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">English<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-es wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/es\/\" hreflang=\"es\" lang=\"es\" class=\"wpml-ls-link\" aria-label=\"Switch to Espa\u00f1ol\" title=\"Switch to Espa\u00f1ol\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">Espa\u00f1ol<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-zh-hans wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/zh-hans\/\" hreflang=\"zh-hans\" lang=\"zh-hans\" class=\"wpml-ls-link\" aria-label=\"Switch to \u7b80\u4f53\u4e2d\u6587\" title=\"Switch to \u7b80\u4f53\u4e2d\u6587\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">\u7b80\u4f53\u4e2d\u6587<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-ko wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/ko\/\" hreflang=\"ko\" lang=\"ko\" class=\"wpml-ls-link\" aria-label=\"Switch to \ud55c\uad6d\uc5b4\" title=\"Switch to \ud55c\uad6d\uc5b4\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">\ud55c\uad6d\uc5b4<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-fil-ph wpml-ls-last-item wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/fil-ph\/\" hreflang=\"fil-ph\" lang=\"fil-ph\" class=\"wpml-ls-link\" aria-label=\"Switch to Tagalog\" title=\"Switch to Tagalog\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">Tagalog<\/span><\/a>\n\t\t\t<\/li><\/ul>\n<\/div>\n\n    <\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gb-element-ccfc5d40\">\n<p class=\"gb-text gb-text-0f6f7956\">H\u00e3y s\u1eed d\u1ee5ng h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u1ec3 chu\u1ea9n b\u1ecb cho k\u1ef3 thi v\u00e0 tham kh\u1ea3o s\u1ed5 tay ch\u00ednh th\u1ee9c \u0111\u1ec3 bi\u1ebft \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin.<\/p>\n<\/div>\n\n\n\n<aside class=\"gb-element-67617362\">\n<div class=\"gb-accordion gb-accordion-025724cd\">\n<div class=\"gb-accordion__item gb-accordion__item-88eef01e gb-accordion__item-open\">\n<div role=\"button\" tabindex=\"0\" class=\"gb-accordion__toggle gb-accordion__toggle-760b9f99 gb-block-is-current\" id=\"gb-accordion-toggle-760b9f99\">\n<span class=\"gb-text\">Trong ch\u01b0\u01a1ng n\u00e0y:<\/span>\n\n\n\n<span class=\"gb-accordion__toggle-icon gb-accordion__toggle-icon-37c071d3\"><span class=\"gb-accordion__toggle-icon-open\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\"><\/rect><polyline points=\"208 96 128 176 48 96\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\"><\/polyline><\/svg><\/span><span class=\"gb-accordion__toggle-icon-close\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\"><\/rect><polyline points=\"48 160 128 80 208 160\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\"><\/polyline><\/svg><\/span><\/span>\n<\/div>\n\n\n\n<div class=\"gb-accordion__content\" id=\"gb-accordion-content-67669fb5\">\n<div class=\"gb-element-32d91237\"><nav class=\"chapter-nav-auto\" aria-label=\"Chapter sections\"><ul><li><a href=\"#trailer-equipment-loading\">Thi\u1ebft b\u1ecb v\u00e0 X\u1ebfp h\u00e0ng<\/a><\/li><li><a href=\"#driving-with-trailer\">L\u00e1i xe v\u1edbi R\u01a1-mo\u00f3c<\/a><\/li><li><a href=\"#quick-numbers\">B\u1ea3ng S\u1ed1 li\u1ec7u Nhanh<\/a><\/li><li><a href=\"#points-suspension\">B\u1ea3ng \u0110i\u1ec3m\/\u0110\u00ecnh ch\u1ec9<\/a><\/li><li><a href=\"#updates-today\">B\u1ea3ng C\u1eadp nh\u1eadt (H\u00f4m nay)<\/a><\/li><li><a href=\"#test-yourself\">T\u1ef1 ki\u1ec3m tra<\/a><\/li><\/ul><\/nav>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/aside>\n\n\n\n<div class=\"study-guide-content\">\n<div class=\"gb-element-a2ea97fd\">\n<p class=\"wp-block-paragraph\">K\u00e9o m\u1ed9t r\u01a1-mo\u00f3c l\u00e0m thay \u0111\u1ed5i kh\u1ea3 n\u0103ng x\u1eed l\u00fd, phanh, v\u00e0 \u0111\u1ed9ng l\u1ef1c h\u1ecdc t\u1ed5ng th\u1ec3 c\u1ee7a m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n, gi\u1edbi thi\u1ec7u nh\u1eefng r\u1ee7i ro v\u00e0 tr\u00e1ch nhi\u1ec7m m\u1edbi cho ng\u01b0\u1eddi l\u00e1i xe. Hi\u1ec3u r\u00f5 c\u00e1c nguy\u00ean t\u1eafc x\u1ebfp h\u00e0ng \u0111\u00fang c\u00e1ch, thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft, v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt l\u00e1i xe \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ng\u1eeba m\u1ea5t ki\u1ec3m so\u00e1t, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ee5 tai n\u1ea1n nghi\u00eam tr\u1ecdng. N\u1eafm v\u1eefng nh\u1eefng k\u1ef9 n\u0103ng n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho s\u1ef1 an to\u00e0n c\u1ee7a ng\u01b0\u1eddi l\u00e1i xe, h\u00e0nh kh\u00e1ch c\u1ee7a h\u1ecd, v\u00e0 m\u1ecdi ng\u01b0\u1eddi kh\u00e1c \u0111ang chia s\u1ebb \u0111\u01b0\u1eddng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"trailer-equipment-loading\">Thi\u1ebft b\u1ecb v\u00e0 X\u1ebfp h\u00e0ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi k\u00e9o, m\u1ed9t ng\u01b0\u1eddi l\u00e1i xe ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u01a1-mo\u00f3c v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n k\u00e9o \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u00fang c\u00e1ch v\u00e0 h\u00e0ng h\u00f3a \u0111\u01b0\u1ee3c x\u1ebfp \u0111\u00fang c\u00e1ch. M\u1ed1i n\u1ed1i gi\u1eefa ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 r\u01a1-mo\u00f3c l\u00e0 \u0111i\u1ec3m quan tr\u1ecdng nh\u1ea5t, v\u00e0 s\u1ef1 c\u1ed1 c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 c\u00f3 nh\u1eefng h\u1eadu qu\u1ea3 th\u1ea3m kh\u1ed1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Thi\u1ebft b\u1ecb B\u1eaft bu\u1ed9c:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u1ec7 th\u1ed1ng M\u00f3c k\u00e9o:<\/strong> M\u00f3c k\u00e9o n\u1ed1i r\u01a1-mo\u00f3c v\u1edbi ph\u01b0\u01a1ng ti\u1ec7n k\u00e9o. N\u00f3 bao g\u1ed3m m\u1ed9t b\u1ed9 ph\u1eadn nh\u1eadn tr\u00ean ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 m\u1ed9t gi\u00e1 \u0111\u1ee1 bi. Bi m\u00f3c k\u00e9o v\u00e0 kh\u1edbp n\u1ed1i ph\u1ea3i c\u00f3 c\u00f9ng k\u00edch th\u01b0\u1edbc. To\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cho tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a r\u01a1-mo\u00f3c v\u00e0 h\u00e0ng h\u00f3a c\u1ee7a n\u00f3.<\/li>\n\n\n\n<li><strong>D\u00e2y x\u00edch An to\u00e0n:<\/strong> C\u1ea7n c\u00f3 hai d\u00e2y x\u00edch an to\u00e0n ch\u1eafc ch\u1eafn \u0111\u1ec3 gi\u1eef r\u01a1-mo\u00f3c g\u1eafn v\u00e0o ph\u01b0\u01a1ng ti\u1ec7n n\u1ebfu m\u00f3c k\u00e9o b\u1ecb h\u1ecfng. C\u00e1c d\u00e2y x\u00edch n\u00ean \u0111\u01b0\u1ee3c b\u1eaft ch\u00e9o d\u01b0\u1edbi l\u01b0\u1ee1i r\u01a1-mo\u00f3c theo h\u00ecnh ch\u1eef &#8220;X&#8221;. C\u00e1i n\u00f4i n\u00e0y c\u00f3 th\u1ec3 gi\u1eef l\u01b0\u1ee1i r\u01a1-mo\u00f3c n\u1ebfu n\u00f3 b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i, ng\u0103n n\u00f3 c\u00e0y xu\u1ed1ng m\u1eb7t \u0111\u01b0\u1eddng.<\/li>\n\n\n\n<li><strong>\u0110\u00e8n:<\/strong> R\u01a1-mo\u00f3c ph\u1ea3i c\u00f3 \u0111\u00e8n h\u1eadu, \u0111\u00e8n phanh, v\u00e0 \u0111\u00e8n xi nhan ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a v\u1edbi \u0111\u00e8n c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n k\u00e9o. \u0110i\u1ec1u n\u00e0y y\u00eau c\u1ea7u m\u1ed9t b\u1ed9 d\u00e2y \u0111i\u1ec7n \u0111\u1ec3 k\u1ebft n\u1ed1i hai h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/li>\n\n\n\n<li><strong>Phanh:<\/strong> \u1ede New Jersey, c\u1ea7n c\u00f3 phanh ri\u00eang tr\u00ean b\u1ea5t k\u1ef3 r\u01a1-mo\u00f3c n\u00e0o c\u00f3 t\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng t\u1eeb 3,000 lbs (kho\u1ea3ng 1.360 kg) tr\u1edf l\u00ean. \u0110\u00e2y th\u01b0\u1eddng l\u00e0 phanh \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi m\u1ed9t b\u1ed9 ph\u1eadn trong cabin c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n k\u00e9o, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ed9c l\u1eadp \u0111\u1ec3 gi\u00fap ki\u1ec3m so\u00e1t s\u1ef1 l\u1eafc l\u01b0 c\u1ee7a r\u01a1-mo\u00f3c.<\/li>\n<\/ul>\n<\/div>\n\n\n<\/p>\n\n\n\n<div class=\"gb-element-3735b8d6\">\n<div>\n<p class=\"gb-text gb-text-61ea4bd9\">\ud83d\udd12<\/p>\n<\/div>\n\n\n\n<p class=\"gb-text\">\u0110\u00e2y l\u00e0 n\u1ed9i dung Premium. Truy c\u1eadp n\u1ed9i dung b\u1ecb gi\u1edbi h\u1ea1n \u2014 c\u00e1c B\u00e0i thi DMV m\u1edf r\u1ed9ng, H\u01b0\u1edbng d\u1eabn h\u1ecdc t\u1eadp v\u00e0 b\u00e0i thi CDL.<\/p>\n\n\n\n<a class=\"gb-text gb-text-4785f37c\" href=\"https:\/\/testsdmv.com\/vi\/pricing\/\">Truy c\u1eadp G\u00f3i Premium<\/a>\n\n\n\n<p class=\"gb-text gb-text-95adcd10\"><em>\u0110\u00e3 mua? <a href=\"https:\/\/testsdmv.com\/vi\/sign-in\/\">\u0110\u0103ng nh\u1eadp<\/a><\/em><\/p>\n<\/div>\n\n\n<p>\n\n\n\n\n\n\n<div><nav class=\"tdmv-nav-container\" aria-label=\"Page navigation\"><a href=\"https:\/\/testsdmv.com\/vi\/study-guides\/new-jersey\/chapter-11\/\" class=\"tdmv-nav-btn prev-btn\">< Ch\u01b0\u01a1ng tr\u01b0\u1edbc<\/a><span class=\"empty-nav-placeholder\"><\/span><\/nav>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>K\u00e9o m\u1ed9t r\u01a1-mo\u00f3c l\u00e0m thay \u0111\u1ed5i kh\u1ea3 n\u0103ng x\u1eed l\u00fd, phanh, v\u00e0 \u0111\u1ed9ng l\u1ef1c h\u1ecdc t\u1ed5ng th\u1ec3 c\u1ee7a m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n, gi\u1edbi thi\u1ec7u nh\u1eefng r\u1ee7i ro v\u00e0 tr\u00e1ch nhi\u1ec7m m\u1edbi cho ng\u01b0\u1eddi l\u00e1i xe. Hi\u1ec3u r\u00f5 c\u00e1c nguy\u00ean t\u1eafc x\u1ebfp h\u00e0ng \u0111\u00fang c\u00e1ch, thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft, v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt l\u00e1i xe \u0111\u01b0\u1ee3c \u0111i\u1ec1u &#8230; <a title=\"Ch\u01b0\u01a1ng 12: K\u00e9o r\u01a1-mo\u00f3c\" class=\"read-more\" href=\"https:\/\/testsdmv.com\/vi\/study-guides\/new-jersey\/chapter-12\/\" aria-label=\"Read more about Ch\u01b0\u01a1ng 12: K\u00e9o r\u01a1-mo\u00f3c\">Read more<\/a><\/p>\n","protected":false},"author":30,"featured_media":34219,"parent":55887,"menu_order":12,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-60071","page","type-page","status-publish","has-post-thumbnail"],"_links":{"self":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/60071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/users\/30"}],"replies":[{"embeddable":true,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/comments?post=60071"}],"version-history":[{"count":0,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/60071\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/55887"}],"wp:attachment":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/media?parent=60071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}