Physics Unit8: Rotational Motion (id: 479f16c29)

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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 tightening tz.ya7ef( q v*ae,. dzp/au5cqo a torque of 90 Nm. If feqr 54j(xha :+nt/wka 30 cm long wrench is used, what is the magnitude of the force required when the force af(hra/+4etx qj:nwk5 pplied 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