Physical Science - Chapter 16
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30 Terms
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Neutral buoyancy
the condition when an object submerged in a fluid neither ascends nor descends because its density is equal to that of the fluid.
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Viscosity
a measure of a fluids resistance to flowing.
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Buoyancy
the tendency of an object to float when immersed in a fluid.
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Bernoullis principle
the principle that states that the fluid pressure of a flowing fluid decreases as its speed increases.
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Hydraulics
the branch of physics concerned with the forces within and work done by liquids.
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Pascals principle
the principle that states that pressure applied to a fluid is transmitted throughout the fluid.
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Archimedess principle
the principle that states that an immersed object displaces an amount of fluid equal to its volume and that the weight of the displaced fluid is equal to the buoyant force acting on the object.
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Boyles Law
a gas law that the pressure and volume of a sample of gas at a constant temperature are inversely proportional.
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Buoyant force
the upward force caused by the displacement of a fluid.
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fluid
any substance that can flow
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pressure
a measurement of the amount of force acting upon a unit area
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pascal
the derived SI unit of pressure
13
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Pascals principle
the principle that states that pressure applied to a fluid is transmitted throughout the fluid
14
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buoyancy
the tendency of an object to float when immersed in a fluid
15
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buoyant force
the upward force caused by the displacement of a fluid
16
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Archimedess principle
the principle that states that an immersed object displaces an amount of fluid equal to its volume and that the weight of the displaced fluid is equal to the buoyant force acting on the object
17
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neutral buoyancy
the condition when an object submerged in a fluid neither ascends nor descends because its density is equal to that of the fluid
18
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viscosity
a measure of a fluids resistance to flowing
19
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Boyles Law
a gas law that the pressure and volume of a sample of gas at a constant temperature are inversely proportional
20
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Charless Law
a gas law stating that the volume and absolute (Kelvin) temperature of a sample of gas at constant pressure are directly proportional
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Gay-Lussacs Law
a gas law stating that the pressure and absolute (Kelvin) temperature of a sample of gas at a constant volume are directly proportional
22
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combined gas law
a gas law that states that the ratio of the product of a gas samples pressure and volume to its absolute (Kelvin) temperature is constant
23
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hydraulics
the branch of physics concerned with the forces within and work done by liquids
24
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Bernoullis principle
the principle that states that the fluid pressure of a flowing fluid decreases as its speed increases
25
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fluid
any substance that can flow
26
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pressure
a measurement of the amount of force acting upon a unit area
27
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pascal
the derived SI unit of pressure
28
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Charles's Law
a gas law stating that the volume and absolute (Kelvin) temperature of a sample of gas at constant pressure are directly proportional
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Gay-Lussacās Law
a gas law stating that the pressure and absolute (Kelvin) temperature of a sample of gas at a constant volume are directly proportional
30
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combined gas law
a gas law that states that the ratio of the product of a gas sampleās pressure and volume to its absolute (Kelvin) temperature is constant
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