[填空题]
A person exerts a for k1nqlb 36)vrgce of 55 N oosg bk.mc:q(75ld4wuq2s s c7 n the end of a door 74 cm wide. What is the magnitude of the torque if the force is ex(:2u .gsb 75cs klmsqdo w4qc7erted (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
