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 +wadf*n yt +w-on an inclined plane. The angle of incli4s1(r bv7(i7 bftafox)1/0xvlr iwwt ne is gradually increased until the object begins to slide. The angle at which this occurs is q. What is the coefficient of strr 4(wfv/7twi)b(b osi7tx01 a1v fxlatic friction between the object and the plane?
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
|