Further Forces & Newton's Laws (AQA A-Level Mathematics): Flashcards

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Coefficient of Friction
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How is friction related to normal force?

Friction is proportional to normal contact force

Friction inequality equation

F≤μRF \leq \mu R

What does μ\mu represent in friction equation?

Coefficient of friction

What coefficient of friction measures

How rough the contact between two objects is

Maximum friction force formula

Fmax=μRF_{\text{max}} = \mu R

What is limiting equilibrium?

When object is on the point of slipping

What is friction value at limiting equilibrium?

At maximum value FmaxF_{\text{max}}

What does FF represent in friction equation?

Frictional force

What does RR represent in friction equation?

Normal contact force

What direction does frictional force act?

Opposes the driving force

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