[填空题]
A person exerts a force of 55 N on t qxx k.)( dk3 fwb9)fxr/fuyoep4w* ,ghe end of a door 74 cm wide. What is the+vf9grdp-77zf ,l m,z1*) uygtijqe wcf l k5- magnitj-7, i 5lkuf-fgegv7 qr +wl)m9ztczy1*dp, fude 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
