Suppose you exert a force of 152 N tangential to a 0.284-m- radius 77.0-kg grindstone (a solid disk). What torque is exerted? 2. What is the angular acceleration assuming negligible opposing friction? 3. What is the angular acceleration if there is an opposing frictional force 21.7 N exerted 1.23cm from the axis?

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Chapter10: Rotational Motion And Angular Momentum
Section: Chapter Questions
Problem 14PE: Suppose you exert a force of 180 N tangential to a 0.280-m-radius 75.0-kg grindstone (a solid disk)....
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1. Suppose you exert a force of 152 N tangential to a 0.284-m- radius 77.0-kg grindstone (a solid disk). What torque is exerted? 2. What is the angular acceleration assuming negligible opposing friction? 3. What is the angular acceleration if there is an opposing frictional force 21.7 N exerted 1.23cm from the axis?
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