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Fluids at rest.pdf

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<strong>Fluids</strong> <strong>at</strong> RestHOT AIRBALLOONS usehe<strong>at</strong>ed air, which isless dense than thesurrounding air, tocre<strong>at</strong>e an upwardbuoyant force.According to Archi-medes’ Principle,the buoyant force isequal to the weightof the air displacedby the balloon.Paul E. Tippens

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