gc textbook chapter 8 Rotational Motion (id: 6080687c3)

本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 通用国际物理

[填空题]
A person exerts a force zw2p )r ;ms2sfof 6s.mr-db - 54*, gdenfv dplsq55 N on the end of a door 74 cm wide. What is the magnitude of the torq5p-dleb m*f6.ddq,grsvs n4 -ue if the force is exerted
(a) perpendicular to the door    $m \cdot N$
(b) at a 45 $^{\circ} $ angle to the face of the door?    $m \cdot N$

参考答案:
空格1: 41±2%  空格2: 29±2% 


本题详细解析:

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