Solve using the work energy method. The 50-kg flywheel has a radius of gyration

Question

Solve using the work energy method. The 50-kg flywheel has a radius of gyration of KG=250mm. It rotates with an angular velocity of 1200 rev/min before the brake is applied. The coefficient of kinetic friction between the brake pad at B and the wheel's rim is .5, and the force P is 300N. determine the a. the angular acceleration of the flywheel during braking, and b. the required time to stop the wheel. (the wheel is .2m below the frame, radius of the wheel is .3m, wheel is 1 m to the right from base and P(300N) is .5 m to the right of the wheel)

Explanation / Answer

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