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The system of two blocks is at rest an ...

The system of two blocks is at rest an shown in the figure. A variable Horizontal force is applied to the upper block. The maximum possible constant force exerted by the horizontal ground surface on the lower block is ( coefficient of friction for both the contracts is `mu` )

A

`3mgsqrt(1+mu^2)`

B

`3mumg`

C

`mumg`

D

`mgsqrt(9+mu^2)`

Text Solution

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The correct Answer is:
A
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