Multiple choice

Friction helps in performing many daily life activities. Which of the following is not an advantage of friction?

  1. It enables us to cut wood with a saw.

  2. It enables us to light a matchstick.

  3. It enables us to pick and hold things in our hands.

  4. It enables rubber brake pads to be rubbed off.

  5. It enables us to write and draw on paper.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option as this is not an advantage of friction. It causes rubber brake pads to be rubbed off. They gradually get worn and are then needed to be replaced.

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