Physics
Grade-9
Easy

Question

Friction can be reduced by using

  1. Oil
  2. Grease
  3. Vaseline
  4. All of these

hintHint:

Friction can be reduced by using lubricating materials or lubricants such as oil, grease, or vaseline.

The correct answer is: All of these


    Friction can be reduced by using all of these.
    • The friction force is created when the surfaces of two objects in relative motion touch.
    • Oil, grease, or vaseline acts as lubricants which creates a layer between the surfaces that separates the layers a bit reducing the motion.
    • This will decrease friction.

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