A string that passes over a pulley has a 0.351 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 8.50 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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Q: 19

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