A wooden wedge of mass M and inclination...

A wooden wedge of mass M and inclination anlgle`(alpha)` rest on a smooth floor. A block of mass m is kept on wedge.A force F is applied on the wedge as shown in the figure such that block remains stationary with respect to wedge So, magnitude of froce F is

`(M+m)g tan alpha`

`g tan alpha`

`mg cos alpha`

`(M+m)g "cosec "alpha`

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