[填空题]
A person exerts a force of 55 Na dvhua 0g)-w jbg-989enad8c on the en .rky jc(assgz2l9+1)qme d4zd of a door 74 cm wide. What is the magnitude of the torque if the forcey.se +g) 9c1jz4qlmk2(dzr a s 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
