 # CBSE Class 9 Science Chapter 8 Motion Notes

Motion is referred to as a change of position and can be described in terms of distance moved or the displacement. The motion of an object could either be uniform or non-uniform depending on whether its velocity is changing or constant. Learn in detail through CBSE class 9 science chapter 8 motion notes right here at BYJU’S.

## CBSE Notes Class 9 Science Chapter 8 Motion

### Topics Covered In Chapter Motion

• Describing Motion
• Measuring the Rate of Motion
• Rate of Change of Velocity
• Graphical Representation of Motion
• Equations of Motion by Graphical Method
• Uniform Circular Motion

## Frequently asked Questions on CBSE Class 9 Science Notes Chapter 8: Motion

### What is ‘Rate of Velocity’?

The velocity of an object is the rate of change of its position with respect to a frame of reference.

### What is ‘Uniform circular motion’?

Uniform circular motion is the motion of a particle moving at a constant speed on a circle.

### What are the uses of ‘Velocity’?

1. Determination of speed of a body 2. Determination of velocity of a body 3. Determination of total distance travelled by a body