Multiple choice

Which of the following statements is not true about friction?

  1. Friction generates heat.

  2. Friction wears out the rubbing surfaces.

  3. Friction causes wastage of energy.

  4. Friction depends on the nature of surfaces in contact.

  5. Friction depends on area.

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

It is wrong, friction is independent of area.