Combined Science GCSE
Limit of Proportionality
What Limit of Proportionality means in Combined Science GCSE, as defined for Pearson Edexcel.
Definition of Limit of Proportionality
The point beyond which Hooke's Law is no longer true; extension is no longer directly proportional to the applied force.
Topics that use Limit of Proportionality
- Forces and matter (Pearson Edexcel GCSE)
Related terms
- Hooke's Law
- Elastic Deformation
- Elastic Potential Energy
- Inelastic (Plastic) Deformation
- Spring Constant (k)
Using Limit of Proportionality in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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