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On a smooth horizontal tanle, a sphere i...

On a smooth horizontal tanle, a sphere is pressed by blocks `A` and `B` by forces `F_(1)` and `F_(2)` respectively `(F_(1)gtF_(2))` exactely normal to the tangent at the point of contact of blocks and sphere. A force `F` is applied on the sphere diameter `OP`, which is line of action of forces `F_(1)` and `F_(2)`. the sphere moves out of blocks `A` and `B`. find minimum value of `F`. the coefficient of friction is `mu` at all contancts.

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