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| Both sides previous revision Previous revision | |||
| 183_notes:fundamental_principles [2021/05/11 18:50] – [The Energy Principle] stumptyl | 183_notes:fundamental_principles [2021/05/11 18:50] (current) – [The Momentum Principle] stumptyl | ||
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| ==== The Momentum Principle ==== | ==== The Momentum Principle ==== | ||
| - | The momentum principle describes how the momentum of a system will change as a result of external forces. It is a vector principle as it describes how an system will move in three dimensions. | + | **The momentum principle describes how the momentum of a system will change as a result of external forces.** It is a vector principle as it describes how an system will move in three dimensions. |
| $$\Delta \vec{p}_{sys} = \vec{F}_{ext} \Delta t$$ | $$\Delta \vec{p}_{sys} = \vec{F}_{ext} \Delta t$$ | ||