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 w )1fh.5 vfogfa3r b2oa 6.0m long plank which i yw5r+/u vc+v(tlgp/vs pivoted about its center of mass located directly at the center of its length. How far from the cen rvl5 v/(wgcyvtu/+p+ ter of the plank (x) should the mass kg M2=80 kg be placed so that the plank remains in static 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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