Why does a ship float in water even though it is made of steel of a density greater than the density of seawater?

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Solution

When an object is immersed in a liquid, an upward force called buoyant force acts on the body.
The volume of a ship Is large. It is made hollow in the middle.
The ship when placed In water, displaces a large portion of water due to its large volume.
This displaced water applies an up thrust on the ship equal to the weight of the ship.
The large volume makes its overall density less than that of water.
That is why the iron ship floats In the water.

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