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A steel ball is place on the boundary of...

A steel ball is place on the boundary of circular disc when the disc rotates, the ball will fall down, because

A

the force of friction between ball surface and disc will not provides necessary centripetal force

B

it will experience sufficient centripetal force

C

both 'a' and 'b'

D

neither 'a' or 'b'

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The correct Answer is:
A
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NIKITA PUBLICATION-CIRCULAR MOTION-Multiple Choice Question
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