Friction factor can refer to:
- Darcy friction factor
- Fanning friction factor
- Atkinson friction factor (ventilation of mines)
Famous quotes containing the words friction and/or factor:
“We have got onto slippery ice where there is no friction and so in a certain sense the conditions are ideal, but also, just because of that, we are unable to walk. We want to walk so we need friction. Back to the rough ground!”
—Ludwig Wittgenstein (1889–1951)
“You factor in racism as a reality and you keep moving.”
—Jewell Jackson McCabe (b. 1945)