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The system is pushed by a force F as sho...

The system is pushed by a force F as shown in figure. All surfaces are smooth except between B and C Friction coefficient between B and C is `mu`. Minimum value of F to prevent block B from downward slipping is

A

`((3)/(2mu))mg`

B

`((5)/(2mu))mg`

C

`((5)/(2))mumg`

D

`((3)/(2))mu mg`

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The correct Answer is:
B
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