Fluids and Pressure By: Ben Visnesky, Jade Schweitzer, Randy Smith, and Dimitri Ermakov.
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Transcript of Fluids and Pressure By: Ben Visnesky, Jade Schweitzer, Randy Smith, and Dimitri Ermakov.
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Fluids and Fluids and PressurePressure
By: By: BenBen Visnesky,Visnesky, Jade Jade Schweitzer,Schweitzer, RandyRandy Smith,Smith, and and
Dimitri Dimitri ErmakovErmakov
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Types of PressureTypes of Pressure Air Pressure- The pressure exerted by the atmosphereAir Pressure- The pressure exerted by the atmosphere Gas Pressure- The pressure exerted by gasGas Pressure- The pressure exerted by gas Fluid Pressure- The pressure at some point within a fluid. Such as Fluid Pressure- The pressure at some point within a fluid. Such as
water or air.water or air. Oil Pressure- Pressure that keeps oil on the moving parts of an Oil Pressure- Pressure that keeps oil on the moving parts of an
internal-combustion engineinternal-combustion engine Pressure is also found in food and car brakesPressure is also found in food and car brakes
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Types of FluidsTypes of Fluids
Fluid BrakesFluid Brakes Gas FluidsGas Fluids Body FluidsBody Fluids Oil FluidsOil Fluids Incompressible FluidsIncompressible Fluids Slightly Compressible FluidsSlightly Compressible Fluids Compressible FluidsCompressible Fluids Newtonian FluidNewtonian Fluid
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Definition of PressureDefinition of Pressure
A pressure is the continuous physical A pressure is the continuous physical force exerted on or against an object force exerted on or against an object by something in contact with it.by something in contact with it.
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Definition of fluidDefinition of fluid
A fluid is a substance that cannot A fluid is a substance that cannot maintain its own shape but takes the maintain its own shape but takes the shape of its container.shape of its container.
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Equations for PressureEquations for Pressure
Pressure Eqauation: P=Force/Area=F/APressure Eqauation: P=Force/Area=F/A Force=Pressure x AreaForce=Pressure x Area Area= Force/PressureArea= Force/Pressure
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Equations For FluidsEquations For Fluids
P=pRuT/MP=pRuT/M Dp/Dt=0Dp/Dt=0
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The SI Unit for PressureThe SI Unit for Pressure
Pascal (PA) equal to one Newton per Pascal (PA) equal to one Newton per square metersquare meter
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FluidFluid
liquid = Fluid = waterliquid = Fluid = water
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BrakesBrakes You ( the driver of the car) You ( the driver of the car)
apply little pressure to the apply little pressure to the pedal and the brake fluid in pedal and the brake fluid in
the line increases the the line increases the pressure, then the pressure is pressure, then the pressure is
transferred to the brakes to transferred to the brakes to
slow down the carslow down the car
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Examples of FluidsExamples of Fluids
Liquids- water and oilLiquids- water and oil Gases- oxygenGases- oxygen
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Density and PressureDensity and Pressure
Fluids with a greater density will exert a Fluids with a greater density will exert a greater pressuregreater pressure
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Pascal’s Principle Pascal’s Principle
A change in pressure at any point in an A change in pressure at any point in an enclosed fluid will be transmitted equally to enclosed fluid will be transmitted equally to all parts of the fluidall parts of the fluid
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Examples of Pressure in FluidsExamples of Pressure in Fluids
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Slide ShowSlide Show
That was our show THE ENDThat was our show THE END