[填空题]
A person exerts a force /p(7 /l7klf gqydbne y/2 hai-of 55 N c*z5 oqz 9g2u:*fi9i t0fv hcmon the end of a door 74 cm wide. What is the magnitude of the torque if tvfuc9zo *:i5m z0q29hi* gft che 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
