Distinguish between uniform and non-uniform motions, giving an example of each.

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       uniform motions    non-uniform       motions
1. When a body covers equal distance in a straight line, in equal intervals of time, however small these time intervals may be.  1. When a body covers equal distance in equal intervals of time  in  a straight line.
2. In this case direction of motion remains the same. 2. In this case direction of motion  change.
3. Example : A body moving with a constant speed in a straight line has uniform motion. 3. Example : Circular motion is example  of  non-uniform motions.

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