(3) State Archimedes' principle. A piece of wood floats both in water and kerosme
In which liquid does it sink more during floating? Why?
Answers
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Archimedes Principle :-
When a body is partially or wholly motion a fluid, it experiences an upthrust ( or apparent in its weight ) which is equal to the weight of the liquid displaced by the most part of the body.
A piece of wood floats both in water and kerosene it is because a piece of wood experience and upthrust equal to the weight of water or kerosene displaced by it. Thus, apparent weight of the wood piece is far less than its real weight, Hence it can be lifted easily underwater or kerosene.
a piece of wood will sink in ethanol because the density of wood piece will be more than the density of ethanol so the upward thrust will be not equal to it and the wood piece will automatically sink in it and ethanol has far more or less density as compared to water or kerosene.
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