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Unit 3

3.6 Centripetal Acceleration and Centripetal Force

1 min readβ€’june 8, 2020

peter57616

Peter Apps


AP Physics 1 🎑

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Essential Knowledge 4.A.2 πŸ“ˆ

The acceleration is equal to the rate of change of velocity with time, and velocity is equal to the rate of change of position with time.

Equations

https://firebasestorage.googleapis.com/v0/b/fiveable-92889.appspot.com/o/images%2FScreen%20Shot%202020-04-13%20at%2011.58.03%20AM.png?alt=media&token=3758dc0c-2a05-4773-82ce-e58711a6c253
Surprisingly, in uniform circular motion, which has constant speed, there is acceleration due to a change in direction. Don’t forget, acceleration is a change in velocity which has magnitude and direction!
https://firebasestorage.googleapis.com/v0/b/fiveable-92889.appspot.com/o/images%2FScreen%20Shot%202020-04-13%20at%2011.58.44%20AM.png?alt=media&token=10083a60-4ccf-4f13-b6ab-41fa1338a205

Image courtesy of quickmeme.com.

Centripetal Acceleration and Centripetal Force are both vector quantities that point in the same direction, inwards. This means they are both centripetal forces, or center seeking.
πŸŽ₯Watch: Khan Academy - Centripetal Force and Acceleration
πŸŽ₯Watch: AP Physics 1 - Unit 3 Streams

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