[填空题]
A person exerts a force of 55 N on the end of a door 74i jxz)he(wg69 cmx5ziv6ili uw;ztt4 +z ;,cd* r wide. What is the magnitude of the torque if the force is exerted+x5 i lzi;rdw*6tu4itzvz;c, (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
