Hydraulics & Fluid Mechanics
For a floating body to be in equilibrium

All of these
meta center should be above e.g.
a righting couple should be formed
center of buoyancy and e.g. must lie on same vertical plane

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Hydraulics & Fluid Mechanics
The horizontal component of force on a curved surface is equal to the

weight of liquid vertically above the curved surface
product of pressure intensity at its centroid and area
force on a vertical projection of the curved surface
force on the horizontal projection of the curved surface

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