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]
An object is placed on an inclined plane. Thw4 he5zds u9qv/c ,z*ke angle of incl k1.i4+ qu:vn hpodrt8ine is gradually increased until the object begins to slide. The angle at which this occurs is q. What is the coefficient of static friction between the object and the planehtu q r1povkn48i+:. d?
A. $\sin (q)$
B. $\cos (q)$
C. $\tan (q)$
D. $1/\tan (q)$
参考答案: C
本题详细解析:
暂无
|