Physics GCSE
closed system
What closed system means in Physics GCSE, as defined for AQA.
Definitions of closed system
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Reference: AQA
A system on which no external resultant force acts, so nothing can add momentum to it or take momentum away.
One that nothing crosses, so the total energy inside stays constant however it is shuffled between stores.
A system in which no external resultant force acts.
Topics that use closed system
- Conservation of momentum (AQA GCSE)
- Energy stores and systems (AQA GCSE)
Related terms
- collisions
- braking
- conservation of momentum
- direction and sign
- dissipation
- electrical heating
- energy pathways
- energy stores
Using closed system in the exam
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