[填空题]
A person exerts a fo48ddbvuyt d9o. 9cs(ircs 1m;o,ase if)qd-qr4e of 55 N on the end of a door 74 cm wide. What is the magnitude of ,sem;4o1 iqd)-rf s qathe 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
