Question

3.2 Why does a 5kg iron ball sink in water, whereas a 50 kg iron ship floats on water​

Answer 1

The density of iron is more than the density of water, so the weight of iron is more than the weight of water displaced by it and 5KG of iron ball sinks.

The density of iron is more than the density of water, so the weight of iron is more than the weight of water displaced by it and 5KG of iron ball sinks.While the shape of an iron ship is made in such a way that it displaces more weight of water than its own weight.

Answer 2

since the ship is designed in such a way that it's effective density is less than the density of the water . so it floatsupon the water . hence the ship does not sink . whereas the weight of the water displaced by the iron ball is less than its weight so it sinks.

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