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Archimedes' Principle

  • Proposed by Archimedes in 250 BC
  • If the weight of the water displaced by an object > weight of the object, object floats.
  • Water displaced by a hollow object and a solid object will be the same.
  • But hollow object is lighter so it will float.
  • This is why boats float and solid cubes drown.
  • It is a fundamental principle in fluid mechanics.
  • “Eureka” was uttered by Archimedes when he discovered it.

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