Mathematics A-Level
surface roughness
What surface roughness means in Mathematics A-Level, as defined for WJEC.
Definition of surface roughness
Check what you remember
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Reference: WJEC
The microscopic roughness and adhesiveness between two contacting surfaces, which the coefficient of friction characterises.
Topics that use surface roughness
- Forces and Newton’s laws (A2 Unit 4: Applied Mathematics B) (WJEC A-Level)
Related terms
- 2D Newton's second law
- 2D particle dynamics
- coefficient of friction
- Coulomb friction model
- equation of motion
- equations of motion
- impending slip
- inclined plane dynamics
Using surface roughness in the exam
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