Question

define acceleration!!......​

Answer 1

Answer:

Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.

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Answer 2

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Acceleration of a body is defined as the rate of change its velocity with time. S.I. unit of acceleration is metre per second square. Acceleration is a vector quantity.