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10 questions from this quiz
The normal contact force
F≤μRF \leq \mu RF≤μR
How rough the contact between objects is
Opposes the driving force
Fmax=μRF_{\text{max}} = \mu RFmax=μR
Limiting equilibrium
It is at its maximum value
4g4g4g N
Static friction
Pcos60°P \cos 60°Pcos60°
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