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A wedge of mass M resting on a horizonta...

A wedge of mass `M` resting on a horizontal frictionless surface is acted upon by a force `F` in the horizontal direction as shown in figure. Find the net horizontal force acting on the shaded portion of the wedge.

Text Solution

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The net force is always equal to mass `x` acceleration Newton's `2^(nd)` Law.
`F_(shaded)=M_(shaded)A=(M)/(3)A`
`A=(F)/(M)`
`F_(shaded)=F//3`.
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