[填空题]
A person exerts a force of 55 N lsx4 wj;r -2wnkx t,(2,q hqu)g kf3dron the end of a doqmo,hpjy zi5b/ 7gl/ 2a*mn(oor 74 cm wide. What is the magnitud*ipoh/jl7n z y g/52ma(m qb,oe of the 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
