Physics A-Level
Stress
What Stress means in Physics A-Level, as defined for OCR.
Definition of Stress
Check what you remember
Read the wording for your board, then hide it and explain Stress in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The force acting per unit cross-sectional area, σ = F/A, measured in pascals (Pa), where 1 Pa = 1 N m⁻².
Topics that use Stress
- Mechanical properties of matter (OCR A-Level)
Related terms
- Brittle
- Ductile
- Elastic limit
- Elastic potential energy
- Force constant
- Graphical analysis of Hooke's law data
- Hooke's law
- Hooke's law behaviour
Using Stress in the exam
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