Friendly Physics podcast

Acceleration

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Let’s get to it.

Acceleration is the rate of change of an object's velocity. It is how the velocity changes. When car companies brag about how quickly their vehicles go from 0 to 60, they are talking about the acceleration.

They are talking about how quickly their car's velocity can change from 0 mph to 60 mph.

Objects don’t just stay at a constant velocity, always moving at 2 m/s. They speed up and slow down. That change from 2 m/s to 10 m/s as an object speeds up or from 2 m/s to 1 m/s as the object slows down, is the acceleration.

We can make a connection here.

We talked about velocity as change in position over time.

Acceleration is the change in velocity over time.

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