Chapter 12 Class 8 - Friction

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In this chapter we will learn

  • What is Friction

  • What does Friction Depend upon?

  • What is Static Friction, Sliding Friction and Rolling Friction

  • Why is friction a necessary evil?

  • How to reduce friction?

  • How to increase Friction?

  • What do we mean by Fluid Friction

  • What is a spring balance?

  • What are ball bearings?


  • How do ball bearings reduce friction?


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