[填空题]
A person exerts a force of 55 N on /rps gffdvyi)8 5p ,x0the end of a door 74 cm wide. We2 fn-q-qqmzc l-:( lshat is the magnitude of the torquse n- lmf-q2cq- ql:z(e 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
