A 120-mm-radius pulley of mass 5 kg is attached to a 30-mm-radius shaft which fits loosely in
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A 120-mm-radius pulley of mass 5 kg is attached to a 30-mm-radius shaft which fits loosely in a fixed bearing. It is observed that the pulley will just start rotating if a 0.5-kg mass is added to block A. Determine the coefficient of static friction between the shaft and the bearing.
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30 mm 120 mm 10 kg 10 kg
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