Physicsmedium · Past Paper
An iron nail sinks in water but an iron ship floats because:
AShip is lighter
BNail has more mass
CShip displaces more weight of water than its own weight
DDensity of ship is higher
✓ Correct Answer: C — Ship displaces more weight of water than its own weight
The hollow shape of the ship allows it to displace a large volume of water, creating sufficient upthrust.
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