Uniform motion is defined as the motion of an object in which it covers equal distances in equal intervals of time. This means that the object's speed remains constant throughout its motion. In other words, if an object covers a certain distance in a given time, it will cover the same distance in any other equal interval of time.

Here are the reasons why the correct answer is option 'C' - Uniform motion:

Definition of Uniform Motion:
Uniform motion is characterized by equal distances covered in equal intervals of time. This means that the object's speed does not change during its motion.

Equal Distance Covered:
In this scenario, the question states that the body covers equal distances. This implies that the object moves a consistent distance in each interval of time.

Equal Interval of Time:
The question also states that the equal distances are covered in equal intervals of time. This means that the time taken to cover each distance is the same.

Constant Speed:
Since the object covers equal distances in equal intervals of time, its speed must remain constant. This is a characteristic of uniform motion.

Examples of Uniform Motion:
Some examples of uniform motion include a car moving at a constant speed on a straight road, a pendulum swinging back and forth with the same amplitude and time period, or a train traveling on a straight track at a steady velocity.

Contrast with Other Types of Motion:
- Rectilinear motion refers to the motion of an object in a straight line. While uniform motion can be rectilinear, not all rectilinear motion is uniform. In rectilinear motion, the object may cover different distances in equal intervals of time, indicating a variable speed.
- Non-uniform motion refers to the motion of an object in which it covers unequal distances in equal intervals of time. This indicates that the object's speed is changing during its motion.

In conclusion, when a body covers equal distances in equal intervals of time, it is exhibiting uniform motion. This implies that the object's speed remains constant throughout its motion.

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