Tensile strain
What Tensile strain means in Physics A-Level, as defined for AQA, OCR.
Definitions of Tensile strain
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Reference: OCR
The fractional extension ε = ΔL/L, where ΔL is the extension and L the original length; it is dimensionless, though it may be quoted as a percentage.
The extension per unit original length, ε = ∆L/L, which has no unit because it is a ratio of two lengths.
Topics that use Tensile strain
- Bulk properties of solids (AQA A-Level)
- Mechanical properties of matter (OCR A-Level)
Related terms
- Elastic limit
- Hooke's law
- Hooke's law behaviour
- Tensile stress
- Young modulus
- Breaking stress
- Brittle
- Brittle versus ductile force–extension graphs
Using Tensile strain in the exam
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