Abstract:

Are stated: the analysis of development of science on friction in XVI-XVIII centuries as well as in the beginning of XIX century; researches of XX century and tasks of mechanics with consideration of friction; analysis of XX century on molecular theory of friction and on physical processes that accompanies dry friction; influence of various factors on values of friction force and review of works on research of problems of friction in hinged-lever mechanisms.

Keywords: Science on friction; task of mechanics; molecular theory of friction; friction force; hinged leverbmechanism