本题目来源于试卷: Rotational Dynamics,类别为 美国物理杯赛(Physics Bowl)
[单选题]
12.43: Several forces a t,x78 fc.j5mjkffo.lct on a rigid body. If theapibvm*b; 7lw0n; 5yzee*3q p w(/g 5ycrf0l y resultant (net) force on the body is zero, which one of the following statements y /azecvb ry 0wf 7l* 3g;b(ip mn5*pl5ewy;q0must be true?
A. The object is in translational equilibrium and rotational equilibrium.
B. The object is in translational, but not necessarily rotational, equilibrium.
C. The object is in rotational, but not necessarily translational, equilibrium.
D. The object is in static equilibrium.
E. The object is in neither translational nor rotational equilibrium.
参考答案: B
本题详细解析:
暂无
|