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Energy stores and transfers
Details on systems, energy within systems, energy transfers, energy equations needed for GCSE
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Physics - Energy stores and transfersA system is: a group of objects
Examples:
- An apple sitting on a table = a system
If the table gets moved, the apple will fall, and there will be a
change in energy
Energy is measured in Joules.
An open system: allows exchange of energy to or from its surroundings
A closed system: can exchange energy, but does not let energy get
dissipated.
An isolated system: does not let the transfer of energy to or from its
surroundings.
Energy Stores
- Energy is stored in objects
- Energy can be transferred between objects if there is a change within the
system.
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