A curved surface is formed as a quarter of a circular cylinder with \(R=0.750 \mathrm{~m}\) as shown. The surface is \(w=3.55 \mathrm{~m}\) wide. Water stands to the right of the curved surface to depth \(H=0.650 \mathrm{~m}\). Calculate the vertical hydrostatic force on the curved surface. Evaluate the line of action of this force. Find the magnitude and line of action of the horizontal force on the surface.

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Water H R P3.66