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What is the advantage of a flywheel ?...

What is the advantage of a flywheel ?

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In a flywheel, the entire mass is distributed on the rim of the wheel at maximum distance from the axis of rotation. Therefore, moment of inertia of the flywheel is large. It helps in making the motion more smooth or less jerky.
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PRADEEP-SYSTEMS OF PARTICLES AND ROTATIONAL MOTION-CONCEPTUAL PROBLEMS
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  3. What is the advantage of a flywheel ?

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