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**second moment of area ???**

## Homework Statement

In finding the metacentric height of a floating body ( G-center of gravity ,M-metacentric point ,B-buoyancy point )

so if the object is stable then M should be above G .

GM=BM-BG

i have learned that BM=I/V (where I second moment of are about the horizontal center line ,and V is submerged volume)

so if the object is a cylinder i can find I using Pi*d^(4)/64 ....but can i use the same equation if the cylinder is not a uniform one .

And is it the same thing meant by

1)second moment of area

2)Moment of inertia

Or are they two different values ?

Can they be connected using a another varaible ?