Friction
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Friction

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Detailed explanation about FRICTION the necessary EVIL

Detailed explanation about FRICTION the necessary EVIL

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Friction Friction Presentation Transcript

  • FRICTION Everything about “FRICTION” .
  • What we will see about friction ?
    • What is friction ?
    • Classification of friction ?
    • Advantages and Disadvantages friction ?
    • How to increase friction ?
    • How to reduce friction ?
    • Why?
    • A working model of both reducing and increasing friction ?
  • WHAT is friction?
    • Friction is the motion experienced when two surfaces in contact interlock and more energy is required.
  • Classification of “FRICTION”
    • We can classify friction into two types:
    • Sliding friction .
    • Rolling friction .
  • Advantages and Disadvantages
    • Advantages and disadvantages of FRICTION are as follows
    • Advantages- Some advantages are
    • We can walk, drive the car, open doors, turn taps off, also screws and nails don’t slip of because of friction . A knot, bed sheets and we don’t slip of the chair depends upon friction .
    • Disadvantages of friction are that it causes the moving parts in machinery and automobiles to heat up, which results in wastage of fuel and energy. Also it causes wear and tear in moving objects.
  • How to increase “ FRICTION”
    • As we all know friction is a EVIL but certain places we want more friction to take place like in
    • Cars
    • Shoes
    • Grip anything
  • Ways to reduce FRICTION
    • Friction can be reduced by using
    • Lubricants
    • Ball bearings
  • Why?
    • Why does lubricants and ball bearings reduce friction and uneven surface don’t?
    • Because if we apply lubricants to any object it covers the uneven surface and fills the gap. Also ball bearings cover the gap. But uneven surfaces have no fluid In between to fill the gap.
  • Working model of FRICTION
    • Now it’s time I show you the working model of reducing and increasing friction .
  • THE END