Question

Acceleration of an objects happen when thing

Answer 1

Explanation:

When the velocity of an object changes it is said to be accelerating. Acceleration is the rate of change of velocity with time. In everyday English, the word acceleration is often used to describe a state of increasing speed. ... Acceleration occurs anytime an object's speed increases or decreases, or it changes direction.

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Answer 2

Answer:

The answer is below

Explanation:

When the velocity of the body changes with respective time..

Acceleration means rate of change of velocity . It SI unit is m/s‐¹