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Energy, Work and Power
Quick questions on Energy stores and transfers: N(A)-Level Physics energy
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are energy stores?Show answer
Energy is the ability to do work, measured in joules (). It is stored in different ways:
What are energy transfers?Show answer
When something happens, energy moves between stores. Some everyday examples:
What is the principle of conservation of energy?Show answer
The principle of conservation of energy says that energy cannot be created or destroyed; it can only be transferred from one store to another, or changed from one form to another. The total amount of energy always stays the same.
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