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A string is wrapped over a uniform cylin...

A string is wrapped over a uniform cylinder, as shown in diagram (sideview). When cylinder is released, string unwraps without any slipping and cylinder comes down. Which ofthe following is true ?

A

Work done by Tension force on the cylinder is zero

B

Work done by the Tension is negative

C

Ratio of rotational kinetic energy and 1 translational kinetic energy is -

D

Ratio ofrotational kinetic energy to translational kinetic energy is 2

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The correct Answer is:
A, C
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