Answer to Question #143673 in Physics for Marie

Question #143673

A Flat bar is loaded with boxes. Box M = 50 kg, what must be the magnitude of mass m so that the bar becomes level? Neglect the weight of the bar. What torque about each end of the bar?

Expert's answer

"MgL=mgl\\\\m=\\frac{l}{L}M"

Torque:

"\\tau=MgL=mgl"

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