[填空题]
A person exerts a force of 55 N on the end of a door (/c,bxbyu) ihd2v rr074 cm wide. What n5c2:61thab dh xm6no is the magnitude of the torque if the force istc 62nm :x51ohanhbd6 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
