作者kenkao25 (Ken)
看板Physics
标题[问题] Rolling a yoyo without slipping
时间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
网路上的答案众说纷纭，请各位板友帮我解答！
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 166.137.215.121
1F：→ crazyjonas:A 06/05 13:31
2F：→ crazyjonas:不会滑动的话，C 06/05 13:38
3F：→ kenkao25:可以问一下为什麽不会滑动的话是c呢？ 06/05 13:43
4F：推 crazyjonas:W网看了一下，我第二句好像有问题，抱歉。 06/05 13:44