physical science chp. 15

By theroberts12, Jul 2002

Subjects: physics

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hydraulic machines	machines which use fluid to transmit or increase force
fluid mechanics	The study of fluid movement and forces
Bernoulli's principle	States that the pressure of a fluid decreases as its speed increases
fluids	liquid or gas phases of matter
Boyle's law	the volume of a dry gas is inversely proportional to the pressure it exerts, if the temperature remains constant
pressure	the force pushingdirectly on a given surface
Archimedes' principle	the buoyant force exerted on a body in a fluid is equal to the weight of the fluid displaced
pascal (Pa)	unit of pressure equal to one newton of force over a square meter (NN/m(2))
Pascal's principle	changes in pressure in a confined fluid are distributed equally in all directions throughout the fluid
Charles's law	the volume of a gas at a constant pressure is directly proportional to its Kelvin temperature
barometer	a device used to measure atmospheric pressure

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