Which law is associated with the rise of balloon in air?
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Parkinson law
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Gravitational law
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Law of motion
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Archimedes law.
D
Correct answer
Explanation
Archimedes' principle states that an object immersed in a fluid experiences an upward buoyant force equal to the weight of the fluid it displaces. A balloon rises because the gas inside is less dense than the surrounding air, creating a buoyant force greater than its weight.