[填空题]
A person exerts a force of 55 N on th y h7uf/l4lxi+ v3gnex6*nh;se end of a door5 p7twbed0dj/t8jjo: 74 cm wide. What is the magnitude of the torque if the force ddtjw 8j7p:0j ebt5o/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
