Collection By Veerapandian.K Mechanical...
Transcript of Collection By Veerapandian.K Mechanical...
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Collection By
Veerapandian.K
Mechanical Engineeringwww.pandianprabu.co.cc
Source website: http://boomeria.org/physicstextbook/physglossary.html
Pascal's Law and Bernoulli's Principle
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Blaise Pascal ....................... Daniel Bernoulli
Pascal & Pressure:High HeelsBed of NailsGramophone needleBig Tyres on Small PeopleWater TanksManometers, Water & MercuryBourdon GaugesTower 2 & 88mm Aqua CannonSubmarinesBathyscaph at 10,000 metersCoiled Hose TrickAn Uplifting Experience!Pascal's VasesDivers exhaust during ascentBalloon in Bell Jar demo.The BendsDamsCut Steel with water jetPress at center of Earth = 1 X106 atm Temp = 4000oCPascal's VasesBurst the BarrelDisintegrate the JugHydraulics Demos:BrakesLiftsPresses (make diamonds)Syringe pistonsKing Hiero's FountainAn uplifting experience (vacuum cleaner & garbage bag).Pushy Balloons
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Total Force = (pressure)(area)
TF = pA
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The Spygmomanometer measures blood pressure
in millimeters of mercury.
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A larger surface area on the outer edge of the tube gives a greater total force.
Hence the tendency to straighten out under pressure.
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Hint: Pressure = (depth)(density)
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Total force = (average pressure)(area)
Solution to the above problems:
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Pascal's Law applied to the water rocket Video:
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The pressure is transmitted undiminishedin all directions!
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The fluid pressure from the master cylinderis transferred equally to all the brake shoes.
Pascal's Hydraulic pistons can crush a car with a body in the trunk. Video:
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An Uplifting Experience. Total force = pressure X area. Video:
Hydraulics easily lifts a house, Video:
Total Force = Pressure X Area. Movie
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Use your head!
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Notice the spaces between the blocks.
Bernoulli and his Equation
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The Coanda EffectThe Coanda Effect is the tendency of a fluid jet to stay attached to an adjacent
curved surface that is verywell shaped by a combination of the greater pressure above the fluid flow and
the lower pressure below the flow caused by an evacuating effect of the flow itself.
Demos: Spoon with water flowing over the convex surface, blow out a candle that is behind a beaker or finger.
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The faster the forward velocity of the air, the lowerthe pressure exerted upward.
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A Bernoulli Ball and a TP attack! Video:
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Bernoulli in the shower!
Attacked by a fierce, wild shower curtain.
Collection By
Veerapandian.K
Mechanical Engineeringwww.pandianprabu.co.cc
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Source website: http://boomeria.org/physicstextbook/phys
glossary.html