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Cards In This Set
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Pressure
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The force exerted on a surface divided by the total area over which the force is exerted
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Pascal
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A unit of pressure equal to 1 newton per square meter
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Fluid
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A material that can easily flow
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Barometer
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An instrument used to measure atmospheric pressure
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Density
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The ratio of the mass of a substance to its volume
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Buoyant force
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The upward force exerted by a fluid on a submerged object
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Archimedes' principle
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The rule that the buoyant force acting on a submerged object is equal to the weight of the volume of fluid displaced by the object
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Pascal's principle
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The rule that when force is applied to a confined fluid, the change in pressure is transmitted equally to all parts of the fluid
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Hydraulic system
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A system that multiplies force by transmitting pressure from a small surface area through a confined fluid to a larger surface area
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Bernoulli's principle
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The rule that the faster a fluid moves, the less pressure the fluid exerts
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Lift
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An upward force
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