The stone weighs 300N in water, and 550N in the air. What is the buoyancy force that acts on a stone in water?

Initial data: Rvod. (weight of the taken stone in water) = 300 N; Air (weight of the taken stone in the air) = 550 N.

The buoyancy force that acts on the taken stone is equal to the difference between its weight in air and in water: Fa = Pair. – Rvod ..

Calculation: Fa = 550 – 300 = 250 N.

Answer: A buoyant force of 250 N. acts on a stone taken in water.



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