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10 Cards in this Set
- Front
- Back
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pressure
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A force distributed over an area.
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pascal
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The SI unit of pressure, newtons per square meter.
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fluid
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A substance that assumes the shape of its container.
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hydraulic system
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A device that uses pressurized fluid acting on pistons of different sizes to change a force.
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lift
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An upward force created by the pressure difference between the top and bottom of a wing.
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buoyancy
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The ability of a fluid to exert an upward force on an object placed in it.
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buoyant force
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An upward force which acts in the opposite direction of gravity in water.
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Archimedes' principle
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The buoyant force on an object is equal to the weight of the fluid displaced by the object.
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Bernoulli's Principle |
As the speed of a fluid increases, the pressure within the fluid decreases. |
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Pascal's Principle |
A change in pressure at any point in a fluid is transmitted equally and unchanged in all directions throughout the fluid. |
