[填空题]
A person exerts a force o5c:q6;q(a f -uybho hmg:n0g kxr ;0*wo3qcyq9yzi j4f 55 N on the end of a door 74 cm wide. What is the magnitude of the torque if i zg;xqq04ry *:n0wj93 kgycothe 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
