本题目来源于试卷: Typical Forces，类别为 美国物理杯赛(Physics Bowl)
[单选题]
10.15: Three blocks, labeled A,B, and C, rema /jloyc9)zx4kipg 9-win at rest on a table. The m k7ybcj4 8a* glagnitude of the gravitational force on each block is indicated on the figure. What is b4yg7 ka8cjl*the magnitude of the contact force on block C from block B?
A. 1.0 N
B. 6.0 N
C. 7.0 N
D. 12.0 N
E. 13.0 N
参考答案: D
本题详细解析:
暂无
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