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Elastic limit — OCR GCSE Combined Science B Definition

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Combined Science
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Elastic limit

GCSE Combined Science · key term

Elastic limit

Definition

The limit beyond which deformation becomes permanent: the object no longer returns fully to its original shape when unloaded.

Used by OCR

How each exam board covers it

OCR GCSE Combined Science B · J260

Physics, Combined Science

The elastic limit concerns whether the object returns to its original shape after unloading. An object can be non-linear yet still elastic. Loading measurements show the graph's shape; unloading reveals whether a permanent extension remains.
Revise: Elasticity and Spring Extension

OCR Combined Science B past papers

Related key terms

Deformation
Elastic deformation
Elastic potential energy
Extension
Hooke's law

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Limit of proportionality

Plastic deformation

Spring constant