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Choose the correct option: Inner and o...

Choose the correct option:
Inner and outer radii of a spool are r And R respectively. A thread is wound over its inner surface and placed over a rough horizontal surface. Thread is pulled by a force F as shown in the figure. Then in case of pure rolling.

A

Thread unwinds, spool rotates anticlockwise and friction acts left wards

B

Thread winds, spool rotate clockwise and friction acts leftwards

C

Thread winds, spool moves to the right and friction acts rightwards.

D

Thread winds, spool moves to the right and friction come into existance.

Text Solution

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The correct Answer is:
A, C, D
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