[填空题]
A person exerts a forctwpvn3, q(yb/)io amok 7 4hu(e of 55 N on the end of a door 74 cm wide. Wha3x,jn0 xk0nk gt is the magnitude of th nn0 kg,xjk3x0e torque 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
