本题目来源于试卷: Typical Forces，类别为 美国物理杯赛(Physics Bowl)
[单选题]
16.05: In the figure (zb7 jas92kwu sh ,.b wzln k5 /ectgxfacaa:qhy/ft+2b 04a 91down, the mass m = 6.0 k。and the mass M = 14.0 k。are stationary. The mass M rests on /c0:+ 5.zdffebnaq9,tgtyh lx4k1/w2 ac aabthe floor. Which one of the following choices represents the tension in the string connecting the masses?
A. 40N
B. 60N
C. 80N
D. 140N
E. 200N
参考答案: B
本题详细解析:
暂无
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