Typical Forces (id: 2add69ab2)

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

[单选题]
01.12: If the block is placed rd +h(ee3wac;jhk :k:oc/ id0 on a second plane (where fricticka/+b(7ypilpr1 , lfon is significant) in incliney7(r1 kpflp,/i lbac+d at the same angle, it will begin to accelerate at 2.0 m/s. What is the force of friction between the block and the second inclined plane?

A. 10N
B. 15N
C. 25N
D. 43.3N
E. 50N


参考答案:  B


本题详细解析: 暂无

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