[填空题]
A person exerts a fortnz fa,)-s.cxx9c q+b7o df y-ce of 55 N on the end of a door 74 c(y-w9hjh5d ncm wide. What is the magnitude oy cwhnjh 5d-9(f 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
