本题目来源于试卷: Rotational Equilibrium，类别为 美国物理杯赛(Physics Bowl)
[单选题]
16.43: A uniform beam r :fj5 n71z8)eqh2ge4sm hcovaln c52-c4v5 d ,umq7n in/ctt connected to a wall at the hinge is in static equilibrium as shown. The cable connected to the beam i lvn,c d75cqt5cu2mnit 4a /-ns massless. What are the directions of the horizontal and vertical components of force acting at the pivot on the beam?
 
A.
B.
C.
D.
E.
参考答案: C
本题详细解析:
暂无
| 
