Science 8 - Unit A - Mix and Flow of Matter

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Science 8 - Unit A - Mix and Flow of Matter

• Topic 8 Fluid Systems

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Hydraulics

• Is the study of pressure in liquids.
• Hydraulic Systems - Devices that send forces
  through a liquid to move something else, due to
  pressure.

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Hydraulic Systems

• Liquids transmit a force in all directions so to
  make a hydraulic system you need something to
  provide a force (the pump), strong container with
  no leaks, and valves which direct/control liquid
  flow.

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Pneumatic Systems

• Are like hydraulic systems, but use gases instead
  of liquids. They are used differently because of
  their compressive nature.
• Instead of a pump to provide force, pneumatic
  systems use a compressor to supply the force and
  build up the pressure.

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Applications of Hydraulics and Pneumatics

• Hydraulics
• - Circulatory System, water hose, garage lift.
• Pneumatics
• - Respiratory System, dentist drill, carbonated
  drinks, barber stool