AP Physics 2 Unit 1: Fluids

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Terms in this set (22)
ManometerInstrument for measuring pressureBarometerAn instrument used to measure atmospheric pressureAbsolute PressureThe total pressure exerted on a system, including atmospheric pressureGauge PressureThe difference between the actual pressure and the atmospheric pressureBuoyancyThe ability of a fluid to exert an upward force on an object placed in itArchimedes' PrincipleAny object in a fluid experiences an upward buoyant force equal to the weight of the fluid it displacesArchimedes' Principle EquationFb = Buoyant force ρ = Density of fluid V = Volume of object that is submerged g = GravityHydrostatic ParadoxThe force exerted on the bottom of a vessel is determined by the height of the liquid and not the volumeFlow RateThe volume of fluid that moves through a system in a given period of timeEquation of Continuity for FluidsBernoulli's PrincipleAn increase of the speed of a fluid causes a decrease in the pressure around itBernoulli's EquationP₁+1/2ρv₁²+ρgh₁ = P₂+1/2ρv₂²+ρgh₂ P = absolute pressure ρ = density h = height relative to reference height

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