The figure shows two positions of a floating body when it is in equilibrium condition and disturbed condition by external force from its original equilibrium.
META CENTRE AND META CENTRE HEIGHT
The figure shows two positions of a floating body when it is in equilibrium condition and disturbed condition by external force from its original equilibrium.
In new tilted position of the body the centre of gravity G remains at the same position but the centre of buoyancy B is shifted from B1 to B1 and Fb acts upward through B1 and B1 is the new centre of buoyancy of the displaced liquid (shape of displaced) liquid bcdef is different from original cdef.
The line of action of Fb passing through B1 at new position will intersect the normal axis of the body at the point M as shown in figure 1.40. Thus point M is known as meta centre and distance GM between G and M is known as meta centric height.
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