[填空题]
A person exerts a fojn rl-d qi9xo- 39cw1erce of 8 e4-am x4ewzq6bx+e5 6bqdef55 N on the end of a door 74 cm wide. What is the magnitude of the z e6qwe-84xadm465bbq eex+f torque if the 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
