Understanding Friction and Factors Affecting It
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Questions and Answers

What is the force that opposes the relative motion between two surfaces of objects when they come in contact?

  • Kinetic friction (correct)
  • Rolling friction
  • Static friction
  • Limiting friction

    • What causes interlocking of micro-level irregularities between the two surfaces and ploughing of harder surfaces into smoother surfaces?

  • Nature of the surfaces coming in contact (correct)
  • Heat generated by friction
  • The roughness of the surface
  • Extent by which the two surfaces can be pressed together

    • When a body is at rest, what is the force of friction acting on it known as?

  • Rolling friction
  • Static friction (correct)
  • Limiting friction
  • Kinetic friction

    • What is responsible for causing wear and tear in tyres?

    <p>Sliding friction</p> Signup and view all the answers

    What type of frictional force is usually smaller than sliding frictional force?

    <p>Rolling Friction</p> Signup and view all the answers

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