Question

distinguish between acceleration and retar.dation -3points​

Answer 1

acceleration :- rate of increase of velcoity. In acceleration, velocity keep on increasing.

If increase in velocity is constant then it is uniform acceleration else non-uniform acceleration

retardation is negative acceleration.

It is rate of decrease of velocity. In retardation, velocity keep on decreasing.

Answer 2

Answer:

Acceleration:

1.In mechanics, acceleration is the rate of change of the velocity of an object with respect to time

2.Accelerations are vector quantities

3.SI unit is m/s2

Retardation:

1.Retardation is nothing but a negative acceleration.

2.The velocity of the body may either increase or decrease.

3.The SI unit is m/s2

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Explanation: