Physics
Grade-9
Easy

Question

Friction is a ____.

  1. Non-contact force
  2. Contact force
  3. Magnetic force
  4. Electrostatic force

hintHint:

Whenever surfaces in touch move in relation to one another, the force preventing two surfaces from sliding past one another is called friction.

The correct answer is: Contact force


    Friction is a contact force.
    • The friction force is created when two surfaces are in touch and move along.
    • This is also called contact force as it is created when the two surfaces get in contact with each other.
    • For example: walking on a road. Friction is created when there is contact between the road and the foot.

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