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Friction in Solids & Liquids

  • Friction − Friction is the property due to which a force is set up at the surface of contact of two bodies, preventing any relative motion between them.
  • Cause of friction − Irregularities of the two surfaces get interlocked restricting the motion when one body moves or tends to move over the other.
  • Types of friction:
    • Sliding friction
    • Rolling friction
  • Sliding friction Whenever a body slides or tends to slide over the surface of another body, the friction that comes into play is called sliding friction. I…

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