[填空题]
A person exerts a force of 55 N on the end of a door 74f+r86 den:f- bh /woyj cm wide. ; - /fh+rjkompWhat is the magnitude of the torque if the force ipr hj/o;+kmf -s 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
