[填空题]
A person exerts a force o8 zz8 qk8s8gkotp 15;sbn c.:;ecvqgit4 1cji f 55 N on the end ozt ,p x+ /lpx5l/t: etnp8u9auf a door 74 cm wide. What is the magnitude of the torque if the force is exert+p,/tpl5z :/eutxun8at 9 xpled (a) perpendicular to the door $m \cdot N$ (b) at a 45 $^{\circ} $ angle to the face of the door? $m \cdot N$
Post time 2025-2-18 20:00:22
