[填空题]
A person exerts a force of 55 N on the end of a door798;*der(w l3n nn jdhm)ioy m 74z j0v;mu /,6dls/j fsa cm wide. What is the magnitude of tv0 z/ s;s6jufdl ma/,jhe 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
