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Fluids and society

Science project by:Izzy & Esmeralda 8A

Fluids and Pressure

  • Pressure on a fluid causes movement
  • Pressure exerted anywhere on a confined fluid is transferred equally in all directions
  • Hydraulic systems use liquids to transfer a force between pistons

Fluids and Viscosity

Buoyancy

  • Viscosity is the thickness of a fluid
  • high viscosity equals thick which has more friction
  • Low viscosity equals thin which has less friction
  • When the temperature rises the particles spread out which equals less friction and lower viscosity

Fluids and Density

Compressible fluids

  • Buoyancy is a property of fluids that cause objects to flow in liquids or gases
  • Buoyancy is a force of fluids that opposes to gravity
  • High force of gravity + low force of buoyancy = object sinks
  • low force of gravity+high force of buoyancy = object that floats
  • Density is the mass per unit volume,D=M/V
  • Denser substance has more particles and less space between them
  • Less dense objects have less particles and more space in between them
  • Density of object does not change
  • The compressibility of fluids can make life easier for humans
  • hydraulic systems makes use of the pressure of a liquids
  • Pneumatic systems make use of the pressure of a gas
  • The compressed liquid particles have small change in volume

Viscosity,Density,Buoyancy,Fluids,

Pressure and society

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