Homework Help: physics-frictional torque

Posted by Cerra on Saturday, November 27, 2010 at 4:28pm.

A string that passes over a pulley has a 0.321 kg mass attached to one end and a 0.655 kg mass attached to the other end. The pulley, which is a disk of radius 9.50 cm, has friction in its axle. What is the magnitude of the frictional torque that must be exerted by the axle if the system is to be in static equilibrium?

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