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GCSE Combined Science · key term
Energy stored in an elastic object because it has been stretched or compressed, measured in joules (J).
Used by AQA and Edexcel
Specification 6.1.1.2, 6.5.3 · Paper 5, Paper 6
The energy stored when an elastic object is deformed, for example by stretching or compressing it.
Paper 5, Paper 6
Energy stored in an object because it has been elastically stretched or compressed.
Revise: Elasticity and springsStretching a spring transfers energy to its elastic potential energy store. Work done is energy transferred by a force as something moves.
Keep the two conditions distinct: work done equals elastic potential energy stored provided there is no inelastic deformation; the equation Eₑ = ½ke² applies up to the limit of proportionality.
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