'''Knudsen force''' is the force experienced by two surfaces at two different temperatures that are separated by a distance comparable to a mean free path of the molecules of the ambient medium.<ref>{{cite journal|author1=Passian, A.|author2=Wig, A.|author3=Meriaudeau, F.|author4=Ferrell, T. L.|author5=Thundat, T.|title=Knudsen forces on microcantilevers|journal=Journal of Applied Physics|date=23 August 2002|volume=92|issue=10|pages=6326–6333|doi=10.1063/1.1515108|url=http://jap.aip.org/resource/1/japiau/v92/i10/p6326_s1|access-date=14 December 2010|publisher=The Smithsonian/NASA Astrophysics Data System|bibcode=2002JAP....92.6326P|archive-url=https://archive.today/20120710182014/http://jap.aip.org/resource/1/japiau/v92/i10/p6326_s1|archive-date=10 July 2012|url-access=subscription}}</ref>
== See also ==
==References== <references/>
Category:Force
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