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A flywheel is attached to an engine to ___________

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A flywheel is attached to an engine to ___________

(a) Increase its speed

(b) Decrease its speed

(c) Help in overcoming the dead point

(d) Decrease its energy

The question was asked at a job interview.

I want to ask this question from Translational and Rotational Motion topic in chapter System of Particles and Rotational Motion of Engineering Physics I

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Right option is (c) Help in overcoming the dead point

The best I can explain: Due to its large inertia of motion, a flywheel helps the engine to overcome the dead points.

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