gc textbook chapter 8 Rotational Motion (id: aece8aa74)

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[填空题]
A person exerts a fol * 5 l;qnuz7z)yteua7ek rj2c4 qn23crce ofd1 nz5: r:2kppvase*4j kkd+k 55 N on the end of a door 74 cm wide. What is the magnitude of 1:dk*ka jp:e4+2vrk zs5 pknd the torque 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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