# Difference Between Uniform and Nonuniform Motion

Uniform motion covers an equal distance in an equal interval of time. And, nonuniform motion covers an unequal distance in an equal interval of time.

As per the laws of physics, a body whether living or non-living can either be at rest or in motion. A body is said to be at rest if it does not change its position with respect to time. On the other hand, a body is said to be in motion if it changes its position with respect to time.

There is no way we can bifurcate rest into different types. However, we can bifurcate motion into its two most fundamental types.

## What is Uniform Motion?

By definition, uniform motion is a type of mechanical motion during which a body covers an equal distance in an equal interval of time. For a body to show uniform motion, its acceleration has to be equal to zero. That’s why its velocity remains unchanged throughout the time period of that motion.

Additionally, just because the velocity remains unchanged, the actual speed of a body is always equal to its average speed. On the other hand, if we talk about the graph of a uniform motion, its distance versus time graph is always a straight line.

### Examples of Uniform Motion

There can be so many examples of uniform motion. Some of them are listed below:

• Moon revolving around Earth
• A car moving along a straight line at a constant speed
• Air cooler running at a constant speed
• Earth revolving around the Sun
• A train running on a track at a constant speed
• Earth revolving on its axis, etc.

## What is Non-uniform Motion?

By definition, non-uniform motion is a type of mechanical motion during which a body covers an unequal distance in an equal interval of time. For a body to show a non-uniform motion, its acceleration has to be non-zero. That’s why its velocity is changing throughout the time period of that motion.

Additionally, just because of its changing velocity, the actual speed of a body is never equal to its average speed. On the other hand, if we talk about the graph of a non-uniform motion, its distance versus time graph is always a curve line.

### Examples of Non-uniform Motion

There can be so many examples of non-uniform motion. Some of them are listed below:

• A car in traffic
• Walking in a crowded place
• Dragging an object through a rough surface
• A car running a hilly area
• An asteroid roaming in space with variable speed
• A stone is thrown into a river
• Batsmen hitting a ball, etc.

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