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 国际高中通用物理

[单选题]
Two boxes of masses m and 3m are stackac8qx23y-5 lzj b azj,ugdsu,2 g6u)a0fdml (ed. (See 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 bouu62 ) ml (dsgf0daug,x does 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

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