Physics Unit4: Force Dynamics & Newton's Laws (id: 200dd69b7)

本题目来源于试卷: Physics Unit4: Force Dynamics & Newton's Laws，类别为 通用国际物理

[单选题]
Two boxes of masses m and 3m are stac k)lq 94csk+lvy7imw+ ked. (Sujklkec66- bj39g t4 yee Fig. 4-6.) The surface between the more massive box and the horizontal surface is smooth and the surface between the boxes is rough. If the less massive box doesec94b l3j-6j gtyu 6kk not slide on the more massive box, what is the coefficient of static friction between the boxes?

A. F/(4mg)
B. F/(3mg)
C. F/(2mg)
D. F/(mg)


参考答案:  B


本题详细解析: 暂无

微信扫一扫，分享更方便