A string that passes over a pulley has a 0341 kg mass, Ask an Expert

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A string that passes over a pulley has a 0.341 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? (Answer should be in N m)

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