Page 38 - Pressure 10 class
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Law of floatation
❑ Statement: It states that “ An object that floats on liquid displaces the liquid equal
to its own weight”
i.e Weight of floating body = Weight of displaced liquid.
❑ Devices based on Law of Floatation are lactometer, hydrometer ,etc
❑ Difference between Archimede’s principle and Law of Floatation;
Archimede’s Principle Law of Floatation
1. Archimedes principle states “ When a body is 1. Law of Floatation states “ An object that
wholly or partially immersed in a liquid, it floats on liquid displaces the liquid equal to
experiences an upthrust which is equal to its own weight”
the liquid displaced by it.
2. It is applicable for both sinking and floating 2. It is only applicable for floating bodies only.
bodies.
July 30, 2020 Taranath Baral/GC Shiba/Suraj Thapaliya 38
