[填空题]
A person exerts a fort1-6853msgi9w2 tywznzr3i rp eauj(ce of 55 N on the end of a door 74 cm wide. What isyi;zpe 5ob7 )m-:hd *kgnzjuj,t z 3u3 the magnit mby57gui,-;*nzkp:hzu o)j e 3tdzj3ude 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
