Question

3. Uniform and non-uniform motion​

Answer 1

Answer:

when body covers equal distances in equal intervals of time its uniform

when body covers unequal distance in equal intervals of time its non uniform

Answer 2

Answer:

Uniform Motion:

Definition: This type of motion is defined as the motion of an object in which the object travels in a straight line and its velocity remains constant along that line as it covers equal distances in equal intervals of time, irrespective of the duration of the time.

Uniform Motion

If a body is involved in rectilinear motion and the motion is consistent, then the acceleration of the body must be zero.

Example of Uniform Motion:

1. If the speed of a car is 10 m/s, it means that the car covers 10 meters in one second. The speed is constant in every second.
2. Movement of blades of a ceiling fan.

Non Uniform Motion:

Definition: This type of motion is defined as the motion of an object in which the object travels with varied speed and it does not cover same distance in equal time intervals, irrespective of the time interval duration.

Non Uniform Motion

If a body is involved in rectilinear motion, and if the motion is not consistent, then the acceleration of the body must be non-zero.

Example of Non Uniform Motion:

1. If a car covers 10 meters in first two seconds, and 15 meters in next two seconds.
2. The motion of a train.

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