[填空题]
A person exerts a force o , f k7-fn;(s:k4*z( *iceck+j ci spsjvpw;njf 5511ks) i ,nxjyu b;uh7r N on the end of a door 74 cm wide. What is the magnitude of the torqi1n;xusj,7ykh1 b)u r ue 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
