Limit of proportionality
What Limit of proportionality means in Physics A-Level, as defined for OCR.
Definitions of Limit of proportionality
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Reference: OCR
The point up to which the expressions for stored energy apply; beyond it the stored energy is not given by these equations.
The relationship is linear only up to this point; beyond it the graph curves and F = kx no longer holds.
The point beyond which extension is no longer directly proportional to force.
Topics that use Limit of proportionality
- Mechanical properties of matter (OCR A-Level)
- Springs (OCR A-Level)
Related terms
- Elastic limit
- Force constant
- Hooke's law
- Brittle
- Ductile
- Elastic and plastic behaviour
- Elastic potential energy
- Extension and compression
Using Limit of proportionality in the exam
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