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In the figure shown, friction exists bet...

In the figure shown, friction exists between wedge and block and also between wedge and floor. The system is in equilibrium in the shown position.

A

frictional froce between wedge and surface is `mu(M+m)g`

B

frictional force between wedge and surface is mg

C

frictional force between wedge and block is `mu mg`

D

minimum coefficient of friction required to hold the system in equilibrium is `(m)/(M+m)`

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The correct Answer is:
c,d
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