Con l\u1eafc l\u00f2 xo l\u00e0 m\u1ed9t trong nh\u1eefng chuy\u00ean \u0111\u1ec1 quan tr\u1ecdng c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh v\u1eadt l\u00fd l\u1edbp 12 v\u00e0 \u00f4n thi \u0111\u1ea1i h\u1ecdc. C\u00e1c b\u1ea1n c\u1ea7n l\u01b0u \u00fd nh\u1eefng kh\u00e1i ni\u1ec7m li\u00ean quan t\u1edbi con l\u1eafc l\u00f2 xo \u0111\u1ec3 c\u00f3 th\u1ec3 gi\u1ea3i \u0111\u01b0\u1ee3c nh\u1eefng b\u00e0i to\u00e1n m\u1ed9t c\u00e1ch nhanh v\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t.<\/p>\n

1\/ \u0110\u1ecbnh ngh\u0129a con l\u1eafc l\u00f2 xo<\/h2>\n

– \u00a0\u0110\u1ecbnh ngh\u0129a: Con l\u1eafc l\u00f2 xo l\u00e0 h\u1ec7 th\u1ed1ng bao g\u1ed3m 1 l\u00f2 xo c\u00f3 \u0111\u1ed9 c\u1ee9ng k, n\u00f3 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u00e1ng k\u1ec3, c\u00f3 1 \u0111\u1ea7u c\u1ed1 \u0111\u1ecbnh v\u00e0 \u0111\u1ea7u c\u00f2n l\u1ea1i g\u1eafn v\u1edbi 1 v\u1eadt n\u1eb7ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng m \u0111\u1eb7t theo ph\u01b0\u01a1ng ngang ho\u1eb7c theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng.<\/p>\n

Con l\u1eafc l\u00f2 xo c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh dao \u0111\u1ed9ng:<\/h3>\n

<\/p>\n

– Chu k\u00ec dao \u0111\u1ed9ng c\u1ee7a con l\u1eafc l\u00f2 xo:<\/p>\n

<\/p>\n

– \u00a0L\u1ef1c g\u00e2y ra trong dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u1ee7a con l\u1eafc l\u00f2 xo lu\u00f4n lu\u00f4n h\u01b0\u1edbng v\u1ec1 v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u1ef1c k\u00e9o v\u1ec1 hay c\u00f2n g\u1ecdi l\u00e0 l\u1ef1c h\u1ed3i ph\u1ee5c. L\u1ef1c k\u00e9o v\u1ec1 n\u00e0y c\u00f3 \u0111\u1ed9 l\u1edbn t\u1ec9 l\u1ec7 v\u1edbi li \u0111\u1ed9 dao \u0111\u1ed9ng v\u00e0 ch\u00ednh l\u00e0 l\u1ef1c n\u00e0y g\u00e2y ra gia t\u1ed1c cho s\u1ef1 dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u1ee7a con l\u1eafc l\u00f2 xo.<\/p>\n

– L\u1ef1c k\u00e9o v\u1ec1 c\u00f3 c\u00f4ng th\u1ee9c:<\/h2>\n

<\/h2>\n

2\/ C\u00e1c lo\u1ea1i n\u0103ng l\u01b0\u1ee3ng c\u1ee7a con l\u1eafc l\u00f2 xo:<\/h2>\n

\n
• \n

  \u0110\u1ed9ng n\u0103ng c\u1ee7a con l\u1eafc l\u00f2 xo:<\/h3>\n<\/li>\n<\/ul>\n

  <\/p>\n

  \n
  • \n

    Th\u1ebf n\u0103ng c\u1ee7a con l\u1eafc l\u00f2 xo:<\/h3>\n<\/li>\n<\/ul>\n

    <\/p>\n

    Ch\u00fa \u00fd: \u0110\u1ed9ng n\u0103ng, th\u1ebf n\u0103ng c\u1ee7a con l\u1eafc l\u00f2 xo ho\u1eb7c dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a bi\u1ebfn thi\u00ean \u0111i\u1ec1u h\u00f2a c\u00f9ng t\u1ea7n s\u1ed1 g\u00f3c: w\u2019 = 2w, t\u1ea7n s\u1ed1 f ‘ = 2f v\u00e0 \u00a0chu k\u00ec T\u2019=.T\/2<\/p>\n

    \n
    • \n

      C\u01a1 n\u0103ng c\u1ee7a con l\u1eafc l\u00f2 xo<\/h3>\n<\/li>\n<\/ul>\n

      <\/p>\n

      Ch\u00fa \u00fd:<\/p>\n

      – C\u01a1 n\u0103ng c\u1ee7a con l\u1eafc l\u00f2 xo lu\u00f4n t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi b\u00ecnh ph\u01b0\u01a1ng bi\u00ean \u0111\u1ed9 c\u1ee7a dao \u0111\u1ed9ng.<\/p>\n

      – C\u01a1 n\u0103ng c\u1ee7a con l\u1eafc l\u00f2 xo lu\u00f4n \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n n\u1ebfu ta b\u1ecf qua m\u1ecdi ma s\u00e1t.<\/p>\n

      3\/ \u0110\u1ed1i v\u1edbi dao \u0111\u1ed9ng c\u1ee7a l\u00f2 xo treo:<\/h2>\n

      \n
      • \u00a0 \u0110\u1ed9 bi\u1ebfn d\u1ea1ng c\u1ee7a l\u00f2 xo khi v\u1eadt t\u1ea1i v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng:\u00a0<\/li>\n<\/ul>\n
        \n
        • \u00a0 \u00a0( trong \u0111\u00f3 lo l\u00e0 chi\u1ec1u d\u00e0i t\u1ef1 nhi\u00ean c\u1ee7a l\u00f2 xo)Chi\u1ec1u d\u00e0i c\u1ee7a l\u00f2 xo t\u1ea1i v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng:<\/li>\n<\/ul>\n
          \n
          • Chi\u1ec1u d\u00e0i l\u1edbn nh\u1ea5t c\u1ee7a l\u00f2 xo t\u01b0\u01a1ng \u1ee9ng v\u1edbi v\u1eadt t\u1ea1i v\u1ecb tr\u00ed th\u1ea5p nh\u1ea5t:<\/li>\n<\/ul>\n

            <\/p>\n

            \n
            • Chi\u1ec1u d\u00e0i nh\u1ecf nh\u1ea5t c\u1ee7a l\u00f2 xo t\u01b0\u01a1ng \u1ee9ng v\u1edbi v\u1eadt t\u1ea1i v\u1ecb tr\u00ed cao nh\u1ea5t):<\/li>\n<\/ul>\n

              <\/p>\n

              \n
              • N\u1ebfu A >\u0394l (v\u1edbi Ox h\u01b0\u1edbng xu\u1ed1ng) ta x\u00e9t trong m\u1ed9t chu k\u00ec dao \u0111\u1ed9ng th\u00ec:<\/li>\n<\/ul>\n

                – Th\u1eddi gian l\u00f2 xo n\u00e9n s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi v\u1eadt \u0111i t\u1eeb \u0111i\u1ec3m M1 \u0111\u1ebfn M2.<\/p>\n

                – Th\u1eddi gian l\u00f2 xo d\u00e3n s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi v\u1eadt \u0111i t\u1eeb \u0111i\u1ec3m M2 \u0111\u1ebfn M1.<\/p>\n

                Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 t\u00f3m t\u1eaft l\u00fd thuy\u1ebft v\u1ec1 con l\u1eafc l\u00f2 xo, hi vong s\u1ebd gi\u00fap \u00edch cho c\u00e1c b\u1ea1n h\u1ecdc sinh trong \u00f4n thi trung h\u1ecdc ph\u1ed5 th\u00f4ng<\/p>\n","protected":false},"excerpt":{"rendered":"

                Con l\u1eafc l\u00f2 xo l\u00e0 m\u1ed9t trong nh\u1eefng chuy\u00ean \u0111\u1ec1 quan tr\u1ecdng c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh v\u1eadt l\u00fd l\u1edbp 12 v\u00e0 \u00f4n thi \u0111\u1ea1i h\u1ecdc. C\u00e1c b\u1ea1n c\u1ea7n l\u01b0u \u00fd nh\u1eefng… <\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[450,470],"tags":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts\/10071"}],"collection":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/comments?post=10071"}],"version-history":[{"count":0,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts\/10071\/revisions"}],"wp:attachment":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/media?parent=10071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/categories?post=10071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/tags?post=10071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}