Master the Mechanics of Friction

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Questions and Answers

Which force arises when two surfaces come into contact and oppose each other's relative motion?

  • Tension
  • Gravity
  • Friction (correct)
  • Magnetism

What role does friction play when an object is at rest?

  • It has no effect
  • It increases speed
  • It facilitates movement
  • It prevents movement (correct)

What factor affects the level of friction between surfaces?

  • Color
  • Nature and smoothness (correct)
  • Weight
  • Temperature

What can excessive friction in machines lead to?

<p>Wear and tear (C)</p> Signup and view all the answers

What is used to reduce friction between moving parts?

<p>Lubricants (D)</p> Signup and view all the answers

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