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what is uniform and nonuniform motion?

GeneralClass 12AllAnswered 27 Mar 2026
Answer

Uniform motion and non-uniform motion are terms used to describe how an object's velocity (speed and direction) changes with respect to time. These concepts are fundamental in the study of physics and motion.

  1. Uniform Motion:
    • Uniform motion refers to the type of motion in which an object covers equal distances in equal intervals of time, and its velocity remains constant throughout its motion.
    • In uniform motion, the object's speed (magnitude of velocity) does not change, and its direction remains the same.
    • Mathematically, if an object is moving with a constant velocity, it can be represented as: Velocity (v) = Change in distance (Δd) / Change in time (Δt) Where v is constant.

Example of uniform motion: A car traveling at a constant speed of 60 kilometers per hour along a straight road.

  1. Non-Uniform Motion:
    • Non-uniform motion refers to the type of motion in which an object covers unequal distances in equal intervals of time, and its velocity changes during its motion.
    • In non-uniform motion, the object's speed may increase, decrease, or change in direction over time.
    • Mathematically, for non-uniform motion, the velocity is not constant, and it can vary at different time intervals. Velocity (v) = Change in distance (Δd) / Change in time (Δt) Where v varies with time.

Example of non-uniform motion: A bicycle starting from rest, gradually increasing its speed, and then slowing down to come to a stop.

In summary, uniform motion is characterized by constant velocity, where the object covers equal distances in equal time intervals, while non-uniform motion involves changing velocity, where the object covers unequal distances in equal time intervals due to changes in speed or direction. The study of these motion types is essential in understanding the behavior of objects in motion and is a fundamental concept in physics.

General · Class 12