science
Grade-7
Easy

Question

Which of the following is not an example of a periodic motion?

  1. An oscillating pendulum
  2. A vibrating tuning fork
  3. The motion of a swing
  4. An athlete running on a straight road

hintHint:

An athlete running on a straight road is not an example of periodic motion.

The correct answer is: An athlete running on a straight road


    An athlete running on a straight road is an example of linear motion.

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