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Answer:
UNIFORM RECTILLINEAR MOTION OR UNIFORM LINEAR MOTION IS A MOTION WHERE A BODY MOVES WITH CONSTANT SPEED IN A STRAIGHT LINE.
WHILE IN UNIFORM CIRCULAR MOTION THE BODY MOVES IN A CIRCULAR PATH WITH CONSTANT SPEED WITH FIXED CENTRE.
UNIFORM LINEAR MOTION EXAMPLES ARE:A MAN JOGGING IN A STRAIGHT ROAD , CAR IS MOVING WITH UNIFORM SPEED IN A STRAIGHT LINE
UNIFORM CIRCULAR MOTION EXAMPLES:
EARTH ORBITING THE SUN IN A CIRCULAR PATH WITH FIXED CENTRE AS SUN,PROPELLER OF A PLANE.
YES UNIFORM CIRCULAR MOTION IS AN ACCELARATED MOTION AS VELOCITY CHANGES EVERY TIME AS DIRECTION CHANGES..
Uniform circular motion is different from uniform linear motion in following ways :
(1) Uniform linear motion exhibits only in one dimension while uniform circular motion is a 2 dimensional motion.
(2) Displacement can never be zero in uniform linear motion whereas may or may be zero in uniform circular motion.
(3) The magnitude and direction of velocity remains the same in uniform linear motion whereas the magnitude of velocity remains the same but its direction continuously changes in uniform circular motion.
For example, any point on a propeller spinning at a constant rate is executing uniform circular motion.
Uniform circular motion is accelerated because the velocity changes due to continuous change in the direction of motion. So, even when the body moves ta a constant speed, its velocity is not constant. ... Therefore circular motion is an acceleration motion even when the speed remains constant