Question

A nail sinks in the sea water but a much heiver ship float on it because

Answer 1

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 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 2

because the density of nail (as of iron) is much larger than the water. So it sinks easily. 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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