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In the given situation disc and ring are...

In the given situation disc and ring are connected with a string as shown in the figure. Both are placed on the rough surface of coefficient of friction `mu`. A force `F` is applied on the centre of disc horizontally. Then frictional force acting on the ring will be

A

`(2F)/(3)`

B

`(F)/(3)`

C

Zero

D

None of these

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