本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 通用国际物理
[单选题]
The bolts on a car wheel require tighteninrw 8zajj0,ny7n 3kzv+g k+dc5g to a torque of 90 Nm. Iz1g7qt9 a xub hh dlyr1bx86(2f a 30 cm long wrench is used, what is the magnitude of the force required when tu rg x t1h( 97h6yqbz1blxd2a8he force is perpendicular to the wrench?
A. $300 \; N$
B. $150 \; N$
C. $30 \; N$
D. $15 \; N$
参考答案: A
本题详细解析:
暂无
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