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For a completely submerged body with centre of gravity \(G\) and centre of buoyancy \(B\), the condition of stability will be

1. G is located below B
2. G is located above B
3. G and B are coincident
4. independent of the locations of G and B

Correct answer: G is located below B

Solution

For a completely submerged body, stable equilibrium requires that the centre of gravity be below the centre of buoyancy. In that case, a small tilt produces a restoring moment.

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