[填空题]
A person exerts a force of 55 N on the end of f/bh:b -(p.he2u f ux.o )x0sph)g6qlzo/uu ka door 74 cm wide. What is the mae 9b58 /hpmhr1 aus p*j,pqj.rgnitude of the torque if the fomhparjq */hru9e5pp1b ,8j.srce 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
