[填空题]
A person exerts a force of 55 N on the end of a d n-nr2 pv3 ismpq3o+z:oor 74 cm wide. Wc*bpc nd/40s dhat is the magnitude of the torq */pd0sb 4cndcue 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
