[填空题]
A person exerts a forcel3.cba9rg5h t :ttf)g ;, vxub2g7tnq of 55 N on the end of a door 74 cm wide. What is the magnitude of the torque if thevnx 7b;g uq,2t force is exerted (a) perpendicular to the door $m \cdot N$ (b) at a 45 $^{\circ} $ angle to the face of the door? $m \cdot N$
Post time 2025-2-18 20:00:22
