Static friction is friction between two or more solid objects that are not moving relative to each other. For example, static friction can prevent an object from sliding down a sloped surface.
Applicable units are those of quantitykind:Force
http://en.wikipedia.org/wiki/Friction
http://dbpedia.org/resource/Friction
Static friction is friction between two or more solid objects that are not moving relative to each other. For example, static friction can prevent an object from sliding down a sloped surface.
http://www.iso.org/iso/catalogue_detail?csnumber=31889