[填空题]
A person exerts a force of 55 m.bbr))qzk6 i N on the end of a door 74 cm wi n2h6u.w0z/ .dp pdkg6+sk)4emkbm y 9dasy8m de. What is the magnitude of the torque if the forcd02n+4a6kp mm gwezkb/ myk9y6)d dus8s.ph.e 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
