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.

Answer 2

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It is a measure of the change in the velocity of an object per unit time.

It is a vector quantity.

The SI unit of acceleration is metres/second²

(m/s2).