作者kenkao25 (Ken)
看板Physics
標題[問題] Rolling a yoyo without slipping
時間Wed Jun 5 13:18:44 2013
A yo-yo is placed on a horizontal surface as shown in the figure. There is sufficient friction for the yo-yo to roll without slipping. If the string is pulled to the right as shown,
A. the yo-yo rolls to the right.
B. the yo-yo rolls to the left.
C. the yo-yo remains at rest.
D. The answer depends on the magnitude F of the pulling force compared to the magnitude of the friction force.
http://miupix.cc/pm-4XCSV4
網路上的答案眾說紛紜，請各位板友幫我解答！
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 166.137.215.121
1F：→ crazyjonas:A 06/05 13:31
2F：→ crazyjonas:不會滑動的話，C 06/05 13:38
3F：→ kenkao25:可以問一下為什麼不會滑動的話是c呢？ 06/05 13:43
4F：推 crazyjonas:W網看了一下，我第二句好像有問題，抱歉。 06/05 13:44