bob watkinson wrote:
Why is ice slippery? When other substances such as metal or candlewax reach
a temperature that solidifies them they are not slippery so why water?
It is more slippery when wet, rather than when dry.
(coefficient of friction = 0 = wet ice on wet ice)
Clean smooth metal surfaces can be very slippery, as can some smooth
stone floors.
Smooth = slippery = no friction.
--
Gianna Stefani
www.buchan-meteo.org.uk