Answer:
Uniform motion : When a body covers equal distance in equal interval of time irrespective of the direction throughout it's motion
non-uniform motion : When it covers a unequal distance in equal interval of time irrespective of the direction throughout it's motion.
Example of Uniform motion :
The movement of the hands of the clock. (They move equal distances in equal interval of time.)
Example of non- uniform motion :
An athlete running in a race.