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 tightening to a torque of 90 Nm. mot5bg+vvm958d6gmf3 uahfk3ps-u 9ctv w 5 3 If+0bzlf5y4sj8a9haf ek .0t fb a 30 cm long wrench is used, what is the magnitude of the forcey s05j4t z.f0 e8ba9lb+kffha required 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:
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