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 IB物理学

[填空题]
A person exerts a fow19v8iai ph,89o yrzcuk6 j7wrce ;82 esodv f3qk+bun/6zqvl4 a of 55 N on the end of a door 74 cm wide. What is the magnitude of the torque if the forue sbnlz/oq 4qv ;d2kaf68+v3 ce 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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