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 of 55 N on the e*.s p(u lej+unnd of a door 74 cm wide. What is the 9f/:cpr kfh*ubbj ,ymo ;u) .vmagnitude of the torque if th)o9:bh *.cu;pfvu /yfkmb rj, e 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:

微信扫一扫，分享更方便