What min total of friction force must be applied to the disk

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a potter;s wheel is a uniform disc of diameter 1m and a mass of 70kg. The wheel is initially spinning at a rate of 30 rev/min and the potter wants to bring it to rest with her hands within 8 revolutions. what min total of friction force must be applied to the disk if her hands are acting at the edge of the disc?

Reference no: EM13520487

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