[填空题]
A person exerts a force of 55 N on t*gbw7npxb f,hw4t 6z2he end of a-3hb;d a i/3 jf8lspu)2mh/uxp:td u k door 74 cm wide. What is the magnitude of the torqh3 )t/b:k/-ju us8l;f d 2ahupm3ixpd ue 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
