Answer to Question #20363 in Mechanics | Relativity for Joseph Edwards

Question

A uniform rod has mass m and length L. One end of the rod is attached to a fixed point O by a hinge and an additional force F is applied to the other end of the rod in the vertical direction(upwards). Given that the rod is in mechanical equilibrium, what is the magnitude of the applied force F, expressed as a numerical mutiple of mg, where g is the magnitude of the acceleration due to gravity? (To 3 significant figures).