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Differentiate between positive and negative acceleration?

Difficulty: Medium

Positive acceleration:

The acceleration of a body is positive if its velocity increases with time. The direction of this acceleration is the same in which the body is moving without a change in its direction.

 

Negative acceleration/Deceleration or retardation:

Acceleration of a body is negative if the velocity of the body decreases. The direction of negative acceleration is opposite to the direction in which the body is moving. Negative acceleration is also called deceleration or retardation.

 

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A graph may also be used in everyday life such as to show year-wise growth/decline of export, month-wise rainfall, a patient’s temperature record or runs per over scored by a team, and so on.

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