[填空题]
A person exerts a fonia 8o-qeen5xf : a1u3r2c 1rrca 6kw1rce of 55 N on the end of a door 74 cm wide. What is the magnitude of the torque if the force is exerted 6cac1r21kr rw (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
