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11 Cards in this Set
- Front
- Back
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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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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 on an object is equal to the weight of the fluid the object displaces.
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Density
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The mass of a substance contained in a unit of volume.
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Pascal's Principle
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The rule that when force is applied to a confined fluid, the increase 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 a stream of fast-moving fluid exerts less pressure than the surrounding fluid.
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Lift
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An upward force.
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