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9th Class Science Gravitation and Floatation Question Bank 9th CBSE Science Floatation

  • question_answer
      Why does a nail sink in water but a piece of cork floats on it?

    Answer:

                           The weight of water displaced by a nail is less than its own weight, so it sinks in water. Whereas a piece of cork displaces water more than its own weight, so it floats on water.


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