T\u00e0u ho\u1ea3 ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng ray b\u1eb1ng th\u00e9p \u0111\u1eb7t song song v\u1edbi nhau, \u1edf ph\u00eda d\u01b0\u1edbi \u0111\u01b0\u1eddng ray c\u1ee9 c\u00e1ch m\u1ed9t kho\u1ea3ng nh\u1ea5t \u0111\u1ecbnh l\u1ea1i \u0111\u1eb7t m\u1ed9t thanh t\u00e0 v\u1eb9t g\u1ed7 to, vu\u00f4ng v\u1eafn, \u0111i\u1ec1u \u0111\u00f3 khi\u1ebfn cho n\u1ec1n \u0111\u01b0\u1eddng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c r\u1ea5t l\u1edbn.<\/p>\n\n\n\n
Kh\u00f4ng bi\u1ebft b\u1ea1n c\u00f3 \u0111\u1ec3 \u00fd c\u00e1c thanh ray \u0111\u01b0\u1eddng s\u1eaft kh\u00f4ng ph\u1ea3i c\u00f3 h\u00ecnh ch\u1eef T ng\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n (\uf05e) m\u00e0 l\u00e0 h\u00ecnh ch\u1ee9 I nh\u01b0ng tr\u00ean h\u1eb9p d\u01b0\u1edbi r\u1ed9ng. T\u1ea1i sao v\u1eady?<\/p>\n\n\n\n
M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft r\u1eb1ng, t\u1ea3i tr\u1ecdng c\u1ee7a t\u00e0u ho\u1ea3 r\u1ea5t l\u1edbn. \u0110\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c c\u1ee7a c\u00e1c toa t\u00e0u r\u1ea5t n\u1eb7ng \u0111\u00f3, th\u00ec m\u1eb7t tr\u00ean c\u1ee7a thanh ray ph\u1ea3i c\u00f3 m\u1ed9t chi\u1ec1u d\u00e0y v\u00e0 m\u1ed9t chi\u1ec1u r\u1ed9ng nh\u1ea5t \u0111\u1ecbnh; t\u01b0\u01a1ng t\u1ef1, \u0111\u1ec3 t\u0103ng t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a \u0111\u01b0\u1eddng ray, m\u1eb7t \u0111\u00e1y c\u1ee7a thanh ray c\u0169ng ph\u1ea3i c\u00f3 m\u1ed9t chi\u1ec1u r\u1ed9ng nh\u1ea5t \u0111\u1ecbnh; h\u01a1n n\u1eefa, \u0111\u1ec3 kh\u1edbp v\u1edbi b\u00e1nh xe c\u00f3 g\u1edd, thanh ray l\u1ea1i ph\u1ea3i c\u00f3 m\u1ed9t chi\u1ec1u cao nh\u1ea5t \u0111\u1ecbnh. Ray h\u00ecnh ch\u1eef I ch\u00ednh l\u00e0 tho\u1ea3 m\u00e3n ba y\u00eau c\u1ea7u \u0111\u00f3. V\u1ea3 l\u1ea1i theo quan \u0111i\u1ec3m s\u1ee9c b\u1ec1n v\u1eadt li\u1ec7u, th\u00ec c\u00e1c thanh ray th\u00e9p theo ki\u1ec3u n\u00e0y c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u1ea5t, c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng h\u1ee3p l\u00fd v\u1eadt li\u1ec7u th\u00e9p. Do \u0111\u00f3, m\u1eb7t c\u1eaft h\u00ecnh ch\u1eef I \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0m m\u1eb7t c\u1eaft t\u1ed1t nh\u1ea5t cho \u0111\u01b0\u1eddng ray.<\/p>\n\n\n\n
\u0110\u01b0\u1eddng ray th\u00e9p h\u00ecnh ch\u1eef I \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng h\u01a1n 100 n\u0103m, ngo\u00e0i vi\u1ec7c \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi s\u1ef1 t\u0103ng l\u00ean c\u1ee7a t\u1ea3i tr\u1ecdng v\u00e0 t\u1ed1c \u0111\u1ed9 t\u00e0u, m\u00e0 ng\u01b0\u1eddi ta l\u00e0m t\u0103ng m\u1eb7t c\u1eaft c\u1ee7a thanh ray v\u00e0 c\u1ea3i ti\u1ebfn thi\u1ebft k\u1ebf<\/a> c\u00e1c chi ti\u1ebft nh\u1ecf ra, h\u00ecnh d\u00e1ng c\u1ee7a thanh ray h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 g\u00ec thay \u0111\u1ed5i. Tuy nhi\u00ean, \u0111i\u1ec1u \u0111\u00f3 c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ea5t bi\u1ebfn, c\u00e1c c\u00f4ng tr\u00ecnh s\u01b0 \u0111\u01b0\u1eddng s\u1eaft lu\u00f4n nghi\u00ean c\u1ee9u v\u1ec1 m\u1eb7t n\u00e0y, hy v\u1ecdng t\u00ecm \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng thanh ray h\u1ee3p l\u00fd h\u01a1n, kinh t\u1ebf h\u01a1n.<\/p>\n\n\n\n T\u1eeb kho\u00e1: \u0110\u01b0\u1eddng ray h\u00ecnh ch\u1eef I.<\/p>\n","protected":false},"excerpt":{"rendered":" T\u00e0u ho\u1ea3 ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng ray b\u1eb1ng th\u00e9p \u0111\u1eb7t song song v\u1edbi nhau, \u1edf ph\u00eda d\u01b0\u1edbi \u0111\u01b0\u1eddng ray c\u1ee9 c\u00e1ch m\u1ed9t kho\u1ea3ng nh\u1ea5t \u0111\u1ecbnh l\u1ea1i \u0111\u1eb7t m\u1ed9t thanh t\u00e0 v\u1eb9t g\u1ed7 to, vu\u00f4ng v\u1eafn, \u0111i\u1ec1u \u0111\u00f3 khi\u1ebfn cho n\u1ec1n \u0111\u01b0\u1eddng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c r\u1ea5t l\u1edbn. Kh\u00f4ng bi\u1ebft b\u1ea1n c\u00f3 \u0111\u1ec3 \u00fd c\u00e1c […]<\/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-8852","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\/8852","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=8852"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8852\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}