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Gravitation — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceGravitation3 Marks
Question
Write any two applications of Archimedes' principle.
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Answer

Archimedes' principle state that, “when a body is immersed fully or partially in afluid, it experiences an upward force that is equal to the weight of the liquid displaced by it”.
  1. It is used in designing ships and submarines.
  2. It is used in making lactometers, which are used to determine the purity of milk.

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