Question

8. What is acceleration? Give its SI unit​

Answer 1

Answer:

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In a non uniform motion like a car running on road in traffic, its velocity keeps on changing with time. We represent the change in velocity with respect to time with another physical quantity known as Acceleration.

The change in velocity of an object per unit time is called acceleration .

This can be calculated by : -

Acceleration (a) = Change in Velocity / time taken 

SI unit of Acceleration (a) is ms-2

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Answer 2

Explanation:

In simple words:

Acceleration is the rate of change of velocity.

SI unit of acceleration is m/s².

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