Hi there!
The Coulomb coefficient is the ratio between the normal and the tangential friction forces.
Regarding its set up, please check this forum post: Setting a coefficient of friction
Let me know if this was helpful 
Best regards,
Fillia
Hi there!
The Coulomb coefficient is the ratio between the normal and the tangential friction forces.
Regarding its set up, please check this forum post: Setting a coefficient of friction
Let me know if this was helpful
Best regards,
Fillia