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How can a huge ocean liner built of steel float while a penny placed in a glass of water sinks?
Wiki User
∙ 14y ago
Buoyancy In physics, buoyancy is the upward force that keeps things afloat. The net upward buoyancy force is equal to the magnitude of the weight of fluid displaced by the body. This force enables the object to float or at least seem lighter. In simple words, the hollow ship displaces an amount of water that is heavier than the ship. What puzzles me is how an oil tanker that is "full" of heavy oil will float----now that is a real dilema. This is what makes hot-air balloons fly and ships float. Llink with illustrations: http://en.wikipedia.org/wiki/Bouyancy
Wiki User
∙ 14y ago
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