# Physics

A clock has a second hand which rubs against the inside of the glass cover. If the frictional force between the glass cover and the tip of the hand is 0.0020 N and the length of the hand is 8 cm, what minimum torque must be supplied to the hand by the clock mechanism if the hand is not to stop?

Help please! Equation then plug the numbers into that equation

1. 👍 0
2. 👎 0
3. 👁 92

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