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m&m 4.4

Fluid Displacement

QuestionAnswer
Archimedes Greek mathematician who discovered that heavier objects displace more water than lighter objects
Buoyancy The tendency for an object to float when it is placed in a fluid. Effect of fluid pressure
Buoyant force This is due to the difference in fluid pressures at different depths and is exactly equal to the weight of the fluid displaced
Archimedes' principle of buoyancy The weight lost by an object immersed in a fluid is equal to the weight of the fluid displaced
Air density Atmosphere is denser at bottom than top. Limits altitude for balloons and airships
Created by: Jer Stephens
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