[填空题]
A person exerts a force of 55 N on the ey69o8mn6m j ohnd of a door 7vo k* 1r4dpg7g4 cm wide. What is the magnitude of the torque if the for4rgp d k1vo7*gce is exerted (a) perpendicular to the door $m \cdot N$ (b) at a 45 $^{\circ} $ angle to the face of the door? $m \cdot N$
Post time 2025-2-18 20:00:22
