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CBSE - IX - Physics - Gravitation

Why does the buoyant force acting on a body decreases  when the temperature of a fluid is increased?

Asked by adityaahuja099 16th October 2017, 12:26 PM
Answered by Expert


Buyoant force is proportional to the density difference of solid body and the fluid. 
When temperature increases the fluid expands volume increases hence density decreases.
This makes more density difference between sold and fluid. Hence buoyant force increases
Answered by Expert 16th October 2017, 12:38 PM

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