[填空题]
A person exerts a force of 55 N 0v2 ldef+s)i (mvqt5im p7 o x3,v5mcvon the end of a door 74 cm (2n. mi:f timd,ffx/mwide. What is the magnitude of the torquetf/m(fx. mif i m,nd2: 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
