本题目来源于试卷: Typical Forces，类别为 美国物理杯赛(Physics Bowl)
[单选题]
14.04: Three equal masses are sus ,m o,kz;r4dff pended from ia4,hbttz e4p52bz9xhb tl,j,:kuac,p . n: d a classroom ceiling by a series of strings as shown in the figure. nt p,t4hzilh5bktca:, :.jzuepx2b ,b d9a,4 Which string has the greatest tension?
A. Only String A
B. Only String B
C. Only String C
D. Strings A, B, and C have the same non-zero tension.
E. Strings A, B, and C all have no tension.
参考答案: A
本题详细解析:
暂无
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