[填空题]
A person exerts a force of 5i kl -e-g0e9lr5 N on th7y k9s,ulo ) 6kog-;d.(zhkar k*oh due end of a door 74 cm wide. What is the magnitude of the torque if the force is 7kh- .ruhu*sk 6g;)kla( odzo,koyd9exerted (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
