Physics A-Level
Force constant
What Force constant means in Physics A-Level, as defined for OCR.
Definitions of Force constant
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Reference: OCR
The force constant k measures stiffness: the force needed per unit extension, in N m⁻¹.
The constant k in F = kx, measured in N m⁻¹.
Topics that use Force constant
- Mechanical properties of matter (OCR A-Level)
- Springs (OCR A-Level)
Related terms
- Elastic limit
- Hooke's law
- Limit of proportionality
- Brittle
- Ductile
- Elastic and plastic behaviour
- Elastic potential energy
- Extension and compression
Using Force constant in the exam
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