Fluid Pressure

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# Fluid Pressure - PowerPoint PPT Presentation

Fluid Pressure . Pressure . Pressure is equal to the force exerted spread out over an area Pressure = Force --------- Area . Pressure in Fluids. Fluid—liquid or gas Pressure in a fluid increases as depth increases

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## PowerPoint Slideshow about 'Fluid Pressure' - booth

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Presentation Transcript

### Fluid Pressure

Pressure
• Pressure is equal to the force exerted spread out over an area
• Pressure = Force

---------

Area

Pressure in Fluids
• Fluid—liquid or gas
• Pressure in a fluid increases as depth increases
• Pressure in a fluid at any depth is constant, it pushes equally in all sides
Atmosphere and the air pressure
• You live at the vast ocean of fluid
• Air pressure decreases as altitude increases
Pascal’s Principle
• Change in pressure at any point in a fluid is transmitted equally and unchanged in all directions throughout the fluid
Hydraulic Systems
• In a hydraulic lift system, an increased output force is produced because a constant fluid pressure is exerted on the larger area of the output piston
Bernoulli’s Principle
• As the speed of a fluid increases, the pressure within the fluid decreases