Question

define retaradetion​

Answer 1

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When the velocity of the body is decreasing,its acceleration becomes negative. This negative acceleration is only regarded as theretardation or deceleration or negative acceleration.

The SI unit of the retardation is same as the acceleration that is m/s^2.

Answer 2

Answer:

Retardation means negative acceleration or rate of decrease in velocity. for example, brakes applied on a moving vehicle is an example of retardation.