Multiple choice

Which of the following is not an example of contact force?

  1. Lifting a bucket full of water.

  2. A car moving with the help of a machine.

  3. A fan moving with the help of a motor fitted in it.

  4. A bus and a car colliding with each other.

  5. Falling of a ball or stone thrown towards the sky.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

It is an example of gravitational force, which is a type of action at a distance force.

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