Q. What should a person on a freely rotating turn table do to decrease his (angular) speed ?
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Correct Answer: (C)
Spread his hands outwards
Explanation: When a person on a turn table will raise his hands, there will be increase in the momentum of inertia. Hence, the angular velocity of the turntable will decrease.
Explanation by: Team MCQ Buddy
When a person on a turn table will raise his hands, there will be increase in the momentum of inertia. Hence, the angular velocity of the turntable will decrease.