limit of proportionality
What limit of proportionality means in Physics GCSE, as defined for AQA.
Definitions of limit of proportionality
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Reference: AQA
The point up to which the extension is directly proportional to the force applied; past it the line bends away from the straight part.
Beyond this point the spring is inelastically deformed; mark schemes accept elastic limit as an alternative name.
Topics that use limit of proportionality
- Forces and elasticity (AQA GCSE)
Related terms
- direct proportionality
- elastic deformation
- Elastic limit
- Elastic potential energy
- extension
- extension and compression
- force-extension graph
- inelastic deformation
Using limit of proportionality in the exam
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