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183_notes:acceleration [2014/07/10 20:54] – [Acceleration] caballero | 183_notes:acceleration [2021/02/04 23:19] – [Newton's Second Law] stumptyl | ||
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==== Newton' | ==== Newton' | ||
- | The Momentum Principle (or Newton' | + | The Momentum Principle (or Newton' |
$$\vec{F}_{net} = m\:\vec{a} = \dfrac{\Delta\vec{p}}{\Delta t}$$ | $$\vec{F}_{net} = m\:\vec{a} = \dfrac{\Delta\vec{p}}{\Delta t}$$ | ||
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$$\vec{a} = \dfrac{\Delta\vec{p}}{m\: | $$\vec{a} = \dfrac{\Delta\vec{p}}{m\: | ||
- | where the last two equals signs hold only if the mass of the system is not changing. | + | __//where the last two equals signs hold only if the mass of the system is not changing. |
+ | //__ | ||
==== Acceleration ==== | ==== Acceleration ==== | ||
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If you have one way of describing motion (i.e., using the concept of a change in momentum), why should you learn about acceleration? | If you have one way of describing motion (i.e., using the concept of a change in momentum), why should you learn about acceleration? | ||
- | **Finish | + | Acceleration is a useful concept in mechanics, because it can help characterize the motion of systems (e.g., constant velocity motion has no acceleration). |
+ | |||
+ | While you can obtain |