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Matter In Our Surroundings

Question
CBSEENSC9005687

Define uniform and non-uniform speeds.

Solution

Uniform speed: 

When the speed of an object remains constant with time, that is it does not change in regular intervals of time, the speed is said to be uniform. 
That, is if an object  covers equal distances in equal intervals of time, the body is moving with a unifrom speed. 

E.g., A cyclist is covering 5 km uniformly every 1 hour. 

Non-uniform speed:

A body is said to be moving with non-uniform speed when an object covers unequal distances in equal inervals of time. 

E.g., A soccer player moving in the football ground.