Friction Quiz

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Questions and Answers

What type of friction is illustrated by rubbing pieces of wood together to start a fire?

  • Lubricated friction
  • Dry friction (correct)
  • Skin friction
  • Fluid friction

Which type of friction can lead to wear and performance degradation?

  • Skin friction
  • Fluid friction
  • Internal friction (correct)
  • Lubricated friction

What happens to kinetic energy when motion with friction occurs?

  • It is transformed to thermal energy (correct)
  • It is conserved
  • It is eliminated
  • It is transformed to potential energy

What type of force is friction?

<p>Non-conservative force (D)</p> Signup and view all the answers

What gives rise to dry friction?

<p>Inter-surface adhesion (B)</p> Signup and view all the answers

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