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A block of mass M is placed on a rough h...

A block of mass M is placed on a rough horizontal surface. It is connected by means of a light inextensible string passing over a smooth pulley . The other end of string passing over a smooth pulley. The other end of string is connected to a block of mass m. There is no friction between vertical surface and block m

If the coefficient of friction of friction `mu` is less than the above value, then downward acceleration of block m is

A

` ((m-muM)/(m+M))g`

B

` ((m + muM)/(m+M))g`

C

` ((M-mum)/(M+m))g`

D

`mug`

Text Solution

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The correct Answer is:
A
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