本题目来源于试卷: Rotational Equilibrium，类别为 美国物理杯赛(Physics Bowl)
[单选题]
10.16: Amass M1=40 kg is at the very edge of a acnp) n c4ii../-ox ru 6.0m long fh mgi7 a+q7u;j97y2cowq bn-plank which is pivoted about its center of mass located directly at the center of its length. How far from the center of the plank (x) should the mass kg M2=80 kg be placed so that the plank remains in st 77qncba7w2o + ; jq9u -ygfimhatic equilibrium in a horizontal position?
A. 0.05m
B. 1.33m
C. 1.50m
D. 2.00m
E. 3.00m
参考答案: C
本题详细解析:
暂无
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