A heavy cast iron flywheel rotates at a constant speed of 150rev/min. A friction braking system is used to bring the flywheel torest. When the flywheel is braked, it experience a constantretarding moment of 5 N m. The mass moment of inertia of theflywheel about its center axis is a 6.25 kg m3. Use workand Energy to determine how many revolutions it takes before theflywheel comes to rest. Solve the same problem, but use a massmoment of inertia of 16 kg m3. Compare the requiredrevolutions for them to stop.


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