Steel sinks in water,but ship made of iron and steel floats.
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It’s because an iron ship is not completely solid. It has full of air filled in it. So the average density of the ship as a whole is less than the density of water. Therefore immersed portion of the ship displaces water equal to its weight. So the ship floats whereas a sheet of iron is compact and there are no air spaces inside it. Iron is denser than that of water. The weight of the sheet is greater than the weight of the water displaced by the sheet. So it sinks.
Since the ship is designed in such a way that its effective density (m/V) is less than the density of the water.
V = volume of ship
m =mass of ship.
So it floats upon the water. Hence the ship does not sink.
For the nail,
The density of nail (as of iron) is much larger than the water. So it sinks easily.
Also
Archimedes' principle states that
Weight of liquid displaced = Buoyant force
The weight of the water displaced by the ship is equal to its weight, so it floats. Whereas the weight of the water displaced by the iron nail is less than its weight so the iron nail sinks.
Since the ship is designed in such a way that its effective density (m/V) is less than the density of the water.
V = volume of ship
m =mass of ship.
So it floats upon the water. Hence the ship does not sink.
For the nail,
The density of nail (as of iron) is much larger than the water. So it sinks easily.
Also
Archimedes' principle states that
Weight of liquid displaced = Buoyant force
The weight of the water displaced by the ship is equal to its weight, so it floats. Whereas the weight of the water displaced by the iron nail is less than its weight so the iron nail sinks.
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Answer:weight
Explanation:
This happens because a sheet of Steel would have less weight than that of a ship so the ship experience an upthrust more than that of the Steel sheet that is why a piece of steel would sink but a ship of the same would float.
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