[填空题]
A person exerts a force of 55 N on the end of0he kbj un3u9trw uz9,/vd d g4 vs9-fw;dzf87 a door 74 cm wide. Wvm,h,d;a.mhw 0ix1o*/wgbx uhat is the magnitude of the torque if,xwh ,;*ixa01 d vmbuh. mowg/ 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
