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# Pressure

## by MLFGarcia on May 24, 2010

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important facts about Pressure and Pressure in Fluids

important facts about Pressure and Pressure in Fluids

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## PressurePresentation Transcript

• PrEssuRe aNd FLUids Physics
• Pressure
• Pressure is the amount of force exerted on a certain area.
• The SI unit for pressure is Pascal (Pa).
• *Pressure= Force/Area
P F A
• Fluids
• A fluid is any material that can flow and that takes the shape of its container.
• Examples:
• Loquids- water and oil
• Gases- CO2 and oxygen
• Pressure all around
• Fluids exert pressure equally in every direction.
• This may explain why bubbles are round.
• Pressure and depth
• Pressure does not depend in the amount of the fluid but in the depth of that fluid.
• The deeper an object in a fluid, the more pressure the fluid exerts on the object .
• Density and pressure
• Fluids with a greater density will exert a greater pressure.
• Pascal's Priciple
• A change in pressure at any point in an enclosed fluid will be transmitted equally to all parts of the fluid.
• A clear example for this priciple is hydraulics .