{"id":16257,"date":"2021-11-27T20:23:36","date_gmt":"2021-11-27T13:23:36","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=16257"},"modified":"2021-11-27T20:23:39","modified_gmt":"2021-11-27T13:23:39","slug":"lieu-co-bao-gio-trai-dat-se-ngung-xoay-khong","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/lieu-co-bao-gio-trai-dat-se-ngung-xoay-khong\/","title":{"rendered":"Li\u1ec7u c\u00f3 bao gi\u1edd tr\u00e1i \u0111\u1ea5t s\u1ebd ng\u1eebng xoay kh\u00f4ng?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 12 &#8211; Arkady Leokum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi nh\u1eefng ph\u01b0\u01a1ng c\u00e1ch c\u1ee7a m\u00ecnh, kh\u1ed1i l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3 c\u1ee7a tr\u00e1i \u0111\u1ea5t c\u00f3 th\u1ec3 s\u1ebd r\u1ea5t vui l\u00f2ng \u0111\u1ec3 xoay m\u00e3i trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng kh\u00f4ng c\u00f3 ma s\u00e1t. Nh\u01b0ng th\u1ef1c t\u1ebf, m\u1eb7t tr\u1eddi v\u00e0 m\u1eb7t tr\u0103ng \u0111ang \u0111\u1ec1u \u0111\u1eb7n l\u00e0m ch\u1eadm tr\u00e1i \u0111\u1ea5t l\u1ea1i qua s\u1ee9c k\u00e9o th\u1ee7y tri\u1ec1u m\u00e0 ch\u00fang t\u00e1c \u0111\u1ed9ng l\u00ean c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng c\u1ee7a th\u1ebf gi\u1edbi. T\u00e1c \u0111\u1ed9ng n\u00e0y r\u1ea5t nh\u1ecf: m\u1ed9t ng\u00e0y ch\u1ec9 k\u00e9o d\u00e0i h\u01a1n 0,0017 gi\u00e2y so v\u1edbi c\u00e1ch \u0111\u00e2y m\u1ed9t th\u1ebf k\u1ef7 &#8211; c\u00f3 th\u1ec3 b\u1ecf qua n\u1ebfu so v\u1edbi th\u01b0\u1edbc \u0111o th\u1eddi gian c\u1ee7a con ng\u01b0\u1eddi. Tuy nhi\u00ean, n\u00f3 c\u00f3 l\u00e0m ng\u00e0y tr\u00ean tr\u00e1i \u0111\u1ea5t d\u00e0i th\u00eam. V\u00ed d\u1ee5: khi c\u00e1c lo\u00e0i kh\u1ee7ng long th\u1ed1ng tr\u1ecb th\u1ebf gi\u1edbi, tr\u00e1i \u0111\u1ea5t quay nhanh h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi ng\u00e0y nay, l\u00e0m cho m\u1ed9t ng\u00e0y ng\u1eafn h\u01a1n kho\u1ea3ng n\u1eeda ti\u1ebfng ho\u1eb7c h\u01a1n th\u1ebf. Nh\u1eefng nghi\u00ean c\u1ee9u tr\u00ean c\u00e1c v\u00f2ng tr\u00f2n t\u0103ng tr\u01b0\u1edfng h\u00e0ng ng\u00e0y c\u1ee7a san h\u00f4 v\u00e0 \u0111\u1ed9ng v\u1eadt th\u00e2n m\u1ec1m h\u00f3a th\u1ea1ch c\u1ee7ng ch\u1ec9 ra r\u1eb1ng c\u00e1ch \u0111\u00e2y kho\u1ea3ng 450 tri\u1ec7u n\u0103m, ng\u00e0y ch\u1ec9 d\u00e0i 22 gi\u1edd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi v\u1eadn t\u1ed1c hi\u1ec7n t\u1ea1i, s\u1ebd ph\u1ea3i m\u1ea5t h\u00e0ng t\u1ec9 n\u0103m \u0111\u1ec3 tr\u00e1i \u0111\u1ea5t d\u1eebng l\u1ea1i, \u0111\u1ebfn l\u00fac \u0111\u00f3 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u00e3 r\u1eddi tr\u00e1i \u0111\u1ea5t \u0111\u1ec3 \u0111\u1ebfn m\u1ed9t n\u01a1i n\u00e0o \u0111\u00f3 t\u1ed1t h\u01a1n. \u0110\u01b0\u01a1ng nhi\u00ean, \u0111i\u1ec1u n\u00e0y \u0111\u00e3 gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng v\u1eadn t\u1ed1c xoay l\u00e0 kh\u00f4ng \u0111\u1ed5i, \u0111i\u1ec1u m\u00e0 ch\u1eb3ng c\u00f3 g\u00ec \u0111\u1ec3 ch\u1eafc ch\u1eafn. Khi tr\u00e1i \u0111\u1ea5t ti\u1ebfp t\u1ee5c xoay ch\u1eadm h\u01a1n, n\u00f3 s\u1ebd l\u00e0m m\u1ea5t \u0111i moment g\u00f3c c\u1ee7a n\u00f3 so v\u1edbi m\u1eb7t tr\u0103ng, v\u00e0 m\u1eb7t tr\u0103ng s\u1ebd \u0111i xa h\u01a1n kh\u1ecfi qu\u1ef9 \u0111\u1ea1o c\u1ee7a n\u00f3 m\u00f4t ch\u00fat. T\u00e1c \u0111\u1ed9ng n\u00e0y l\u00e0 r\u1ea5t nh\u1ecf nh\u01b0ng n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u1eadn th\u1ea5y b\u1eb1ng c\u00e1ch chi\u1ebfu tia laser ra t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1eb7t tr\u0103ng b\u1edfi c\u00e1c phi h\u00e0nh gia t\u00e0u Apollo, ti\u1ebft l\u1ed9 r\u1eb1ng thi\u00ean th\u1ec3 l\u00e1ng gi\u1ec1ng c\u1ee7a ch\u00fang ta \u0111ang l\u00f9i xa kh\u1ecfi ch\u00fang ta kho\u1ea3ng 4cm m\u1ed9t n\u0103m. M\u1ed9t l\u1ea7n n\u1eefa, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 b\u1ecf qua so v\u1edbi th\u01b0\u1edbc \u0111o c\u1ee7a con ng\u01b0\u1eddi nh\u01b0ng khi c\u1ed9ng d\u1ed3n l\u1ea1i s\u1ebd ra m\u1ed9t k\u1ebft qu\u1ea3 s\u1ebd l\u00e0m b\u1ea1n b\u1ed1i r\u1ed1i. T\u00ednh to\u00e1n t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c xoay ch\u1eadm l\u1ea1i c\u1ee7a tr\u00e1i \u0111\u1ea5t l\u00ean qu\u1ef9 \u0111\u1ea1o c\u1ee7a m\u1eb7t tr\u0103ng g\u1ee3i \u00fd r\u1eb1ng c\u1ea3 hai ph\u1ea3i ti\u1ebfp x\u00fac v\u1edbi nhau c\u00e1ch \u0111\u00e2y 2 t\u1ec9 n\u0103m. Tuy nhi\u00ean, c\u00e1c nh\u00e0 thi\u00ean v\u0103n h\u1ecdc kh\u00e1 t\u1ef1 tin r\u1eb1ng m\u1eb7t tr\u0103ng \u0111\u00e3 l\u00e0 m\u1ed9t th\u1ef1c th\u1ec3 t\u00e1ch bi\u1ec7t c\u00e1ch \u0111\u00e2y \u00edt nh\u1ea5t l\u00e0 4,5 t\u1ec9 n\u0103m. R\u00f5 r\u00e0ng c\u00f3 \u0111i\u1ec3m n\u00e0o \u0111\u00f3 \u0111\u00e3 sai v\u1edbi l\u00fd thuy\u1ebft m\u00e0 ch\u01b0a \u0111\u01b0\u1ee3c t\u00ecm ra.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 12 &#8211; Arkady Leokum V\u1edbi nh\u1eefng ph\u01b0\u01a1ng c\u00e1ch c\u1ee7a m\u00ecnh, kh\u1ed1i l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3 c\u1ee7a tr\u00e1i \u0111\u1ea5t c\u00f3 th\u1ec3 s\u1ebd r\u1ea5t vui l\u00f2ng \u0111\u1ec3 xoay m\u00e3i trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng kh\u00f4ng c\u00f3 ma s\u00e1t. Nh\u01b0ng th\u1ef1c t\u1ebf, m\u1eb7t tr\u1eddi v\u00e0 m\u1eb7t [&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],"tags":[],"class_list":["post-16257","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16257","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=16257"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16257\/revisions"}],"predecessor-version":[{"id":16258,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16257\/revisions\/16258"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=16257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=16257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=16257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}