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Re: [解題] 物理-繩子張力1題、能量守恆2題

[ tutor ]5 留言, 推噓總分: +3

作者: jasonnn - 發表於 2014/04/10 07:19(10年前)

1^F推qqwwweee:謝謝指教04/10 14:13

2^F推qqwwweee:第一題浮力力矩部分，為啥要乘以g，還有3L/4怎麼出來的04/10 15:20

3^F→qqwwweee:重力的轉軸長是L/2，那浮力應該也是L/2，若浮力是3L/404/10 15:21

4^F→qqwwweee:那重力不就應該是L/4才對，這邊不解04/10 15:21

5^F推qqwwweee:題目就寫克，所以應該改克重，才不用再乘以g，再次謝解答04/10 21:37

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