The pressure loading on the plate varies uniformly along each of its edges. Determine the...

The pressure loading on the plate varies uniformly along each of its edges. Determine the magnitude of the resultant force and the coordinates of the point where the line of action of the force intersects the plate. Hint. The equation defining the boundary of the load has the form ρ = ax+ by +  where the constants a, b. and c have to be determined.