Physics, 13.11.2019 18:31 aliyahmuhammad2948

Aclock has a second hand whose tip rubs against the inside of the glass cover. if the frictional force between the glass cover and the tip of the second hand is 0.0020 and the length of the hand is 8.0 cm, what is the minimum torque that must be applied to the second hand if the clock is not to be stopped? what is the direction of the torque from the friction?

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Aclock has a second hand whose tip rubs against the inside of the glass cover. if the frictional for...

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