[填空题]
A person exerts a forcexep 0xx0m-h30cm6l)2s i xueu of 55 bmv1, of 51mmnN on the end of a door 74 cm wide. What is the magnitude of the torqmmf1,n5 vbmo1 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
