The coefficient of static friction betwe...

The coefficient of static friction between the two blocks shown in figure is `mu` and the table is smooth. What maximum horizontal forced F can be applied to he block of mass M so that the block move together?

`mu"g"("M+m")`

`mu"g"("M-m")`

`2mu"g"("M+m")`

`mu"g"("M+2m")`

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