[填空题]
A person exerts a force ov cazyw2n)x 5n*0snc7: kv8p sf 55 N on the q;nvc2* c;x zazh)ouw j:t2(o end of a door 74 cm wide. What is the magniz*o;tacqo x2(2:n ;c hjvzwu)tude of the 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
