Physics A-Level
Area under force–extension graph
What Area under force–extension graph means in Physics A-Level, as defined for AQA.
Definition of Area under force–extension graph
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Reference: AQA
For a material obeying Hooke's law, the stored energy equals this, which for a straight-line region is ½FΔL or ½k(ΔL)².
Topics that use Area under force–extension graph
- Bulk properties of solids (AQA A-Level)
Related terms
- Breaking stress
- Brittle versus ductile force–extension graphs
- Conservation of energy
- Conservation of energy in mechanical systems
- Density
- Dissipation of energy during plastic deformation
- Elastic limit
- Elastic potential energy stored in deformed materials
Using Area under force–extension graph in the exam
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