Coulomb friction model
What Coulomb friction model means in Mathematics A-Level, as defined for WJEC.
Definition of Coulomb friction model
Check what you remember
Read the wording for your board, then hide it and explain Coulomb friction model in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
A model of dry friction in which the friction force F satisfies the inequality F ≤ μR, where μ is the coefficient of friction and R is the normal reaction force.
Topics that use Coulomb friction model
- 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
- equation of motion
- equations of motion
- impending slip
- inclined plane dynamics
- inequality F ≤ μR
Using Coulomb friction model in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge