1.

define :- retardation

Answer»

Retardationmeans that the director of change is opposite to the current velocity so it will decrease. Retardation eats the current velocity until it becomes 0 and then the body will start moving in opposite direction.The examples of retardation(decrease in velocity) are everywhere.

If there was no retardation then no body will ever be able to stop.

Example- as in daily life we walk, we thrown ball, we drive car and all of them eventually stop means their velocity decreases.



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