science
Grade-9
Easy

Question

In which of the following cases are the equations of motion not valid?

  1. The motion of a ball thrown upwards  
  2. An athlete moving on a circular path
  3. A car moving on a straight road at constant acceleration
  4. A car moving on a straight road at constant velocity

The correct answer is: An athlete moving on a circular path


    • The equations of motion are only valid for straight line motion(linear motion)

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