[填空题]
A person exerts a force okt24iu rnv 4t)f 55 N on the end of a door 74 cm wide. What is t 0ggqrv+j9m;e 0+.z:ogvz ky nhe magnitude of the torque if the foqgz+v;e g+jyzm.o knrg09v 0 :rce 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
