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PhysicalScience7

QuestionAnswer
Fluid Any material that can flow and that takes the shape of its container
Pressure The amount of force exerted on a given area
Pascal The SI unit for pressure
Atmospheric Pressure The pressure caused by the weight of the atmosphere
Density The amount of amtter in a certain volume, or mass per unit volume
Pascal's Principle States that change in pressure at any point in an enclosed fluid will be transmitted equally to all parts of the fluid
Buoyant Force The upward force that fluids exert on all matter
Archimedes' Principle States that the buoyant force on an object in a fluid is an upward force equal to the weight of the volume of fluid that an object displaces.
Bernoulli's Principle States that as the speed of moving fluid increases, its ressure decreases
Lift An upward force on an object that opposes the downward pull of gravity; differences in pressure above and below the object contribute to lift
Thrust The forward force produced by an airplanes engine
Drag The force that opposes or restricts motion in a fluid
Created by: coachrj
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