2 years ago

What is acceleration

Physics

1 answer:

SVETLANKA909090 [29]2 years ago

6 0

Answer:

Explanation:

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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Frictional force increases with the increase in the roughness of the surface.

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