本题目来源于试卷: Physics Unit8: Rotational Motion,类别为 Generic Physics
[单选题]
The bolts on a car wheel require tightmar1h rgyy:4 12hrvx23d ma9i zp3w-w ening to a torque of 90 Nm. If a 30 cm long wrench is used, what is the magnitude of the force requirwvih 2wx33 -d rz92mpaed when the force applied at $53^{\circ}$ to the wrench?
A. $190 \; N$
B. $380 \; N$
C. $19 \; N$
D. $38 \; N$
参考答案: B
本题详细解析:
暂无
|