[問題] 轉動
有一個題目是一個直立的木棍倒下,要求另一端的線速度
(觸地一端未滑動)
解法是利用質心損失的位能等於轉動動能,
想請問的就是,那線動能呢?為什麼可以不用考慮進去
謝謝
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.116.104.2
推
06/14 15:51, , 1F
06/14 15:51, 1F
→
06/14 15:52, , 2F
06/14 15:52, 2F
→
06/14 15:52, , 3F
06/14 15:52, 3F
→
06/14 15:53, , 4F
06/14 15:53, 4F
→
06/14 15:55, , 5F
06/14 15:55, 5F
推
06/14 16:18, , 6F
06/14 16:18, 6F
推
06/14 16:19, , 7F
06/14 16:19, 7F
推
06/14 18:49, , 8F
06/14 18:49, 8F
討論串 (同標題文章)