[填空题]
A person exerts a force of 55 hglkgcqqu *ke7 hy08 -0 hnb6(N on the end 6*zq;qs x eoxs7wv syzu/-k2jy. .qx)of a door 74 cm wide. What is the magnitude of the torqzsk qxyxs ox u;y2v6.jq/.e z- wq*7s)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
