**Uniform or Non-Uniform Motion: Understanding the Difference**

When considering the motion of a car, it is essential to determine whether it is moving at a constant speed or not. This classification helps us understand the nature of the car's motion and how it behaves over time. The two main categories of motion are uniform and non-uniform motion, each having distinct characteristics.

**Uniform Motion: Consistent and Predictable**

Uniform motion refers to the movement of an object at a constant speed in a straight line. In the case of a car moving at a constant speed, it covers equal distances in equal intervals of time. This means that its velocity remains unchanged throughout the entire duration of the motion. Here are some key features of uniform motion:

1. **Constant Speed**: In uniform motion, the car maintains a steady speed without any fluctuations. For example, if a car is traveling at 60 miles per hour, it will continue to move at this speed until acted upon by an external force.

2. **Equal Displacement**: The car covers equal distances in equal intervals of time. This means that if it travels 60 miles in the first hour, it will cover another 60 miles in the second hour, and so on. The displacement-time graph for uniform motion will be a straight line.

3. **Predictable Behavior**: Since the car's speed remains constant, its motion can be accurately predicted. This makes it easier to calculate various parameters such as time, distance, and velocity.

**Non-Uniform Motion: Varying Speed and Acceleration**

Non-uniform motion, on the other hand, involves an object moving at a varying speed or changing direction. In the case of a car in non-uniform motion, it covers unequal distances in equal intervals of time. Here are some characteristics of non-uniform motion:

1. **Changing Speed**: In non-uniform motion, the car's speed fluctuates over time. It may accelerate, decelerate, or change its speed in irregular patterns. For instance, if a car starts from rest and gradually increases its speed to 60 miles per hour, then slows down to 40 miles per hour, it is experiencing non-uniform motion.

2. **Unequal Displacement**: The car covers different distances in equal intervals of time. This means that the distance covered in each subsequent interval may differ. The displacement-time graph for non-uniform motion will exhibit curves or irregular patterns.

3. **Unpredictable Behavior**: Non-uniform motion is often more complex to analyze since the car's speed and direction change continuously. Predicting the car's exact position at a given time becomes challenging without additional information about the factors affecting its motion.

In conclusion, a car moving at a constant speed exhibits uniform motion, while non-uniform motion occurs when the car's speed varies or changes direction. Understanding the distinction between these two types of motion helps us analyze the behavior and predict the future positions of objects in motion.

It is uniform motion because there is no change in the speed , it moves with constant speed.