Rotational Dynamics (id: df3c08c16)

本题目来源于试卷: Rotational Dynamics，类别为 美国物理杯赛(Physics Bowl)

[单选题]
17.31: A solid cylintw3( djnblm /x (xd;/zder rolls without yzj:o;8 oe+h+i764 xat h4kpj5hjuo uslipping on a rough inclined plane. Which one of the following choices best represents the type and direction of friction (if any) a;4h+pxeh8hujj+o476 jtkyoiou: a5 z cting on the cylinder as it rolls up the incline?

A. Static friction directed up the incline
B. Kinetic friction directed up the incline
C. There is no friction
D. Kinetic friction directed down the incline
E. Static friction directed down the incline


参考答案:  A


本题详细解析: 暂无

微信扫一扫，分享更方便