本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 通用国际物理
[单选题]
Two equal forces are a8khhs8c fd1qh-d (2cu3 (igdfm 7qkx;63bvibpplied to a door. The first force is applied at the midpoint of the door; the second f;qfi mb i (bkdg3x3v76orce is applied at the doorknob. Both forces are applied perpendicular to the door. Which force exerts the greater torque?
A. the first at the midpoint
B. the second at the doorknob
C. both exert equal non-zero torques
D. both exert zero torques
参考答案: B
本题详细解析:
暂无
| 
