[填空题]
A person exerts a force of 55 N on the e0m.a( 1mpxt8xn)zew knd of a door ks;; duw)3s +rjf tee(74 cm wide. What is the magnitude of the torque if thu trwf;k j3se ;des)(+e 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
