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Technical gazette, Vol. 28 No. 2, 2021.

Original scientific paper

https://doi.org/10.17559/TV-20201101051835

A Novel Method for Determination of Kinetic Friction Coefficient using Inclined Plane

Djordje Vukelic* orcid id orcid.org/0000-0003-2420-6778 ; University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovica 6, 21000 Novi Sad, Serbia
Petar Todorovic ; University of Kragujevac, Faculty of Engineering, Sestre Janjic 6, 34000 Kragujevac, Serbia
Katica Simunovic ; University of Slavonski Brod, Mechanical Engineering Faculty in Slavonski Brod, Trg Ivane Brlic Mazuranic 2, 35000 Slavonski Brod, Croatia
Jasmina Miljojkovic ; University of Kragujevac, Faculty of Engineering, Sestre Janjic 6, 34000 Kragujevac, Serbia
Goran Simunovic ; University of Slavonski Brod, Mechanical Engineering Faculty in Slavonski Brod, Trg Ivane Brlic Mazuranic 2, 35000 Slavonski Brod, Croatia
Igor Budak ; University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovica 6, 21000 Novi Sad, Serbia
Branko Tadic ; University of Kragujevac, Faculty of Engineering, Sestre Janjic 6, 34000 Kragujevac, Serbia

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Abstract

Presented in this paper is the theoretical background for a novel method for determination of kinetic friction coefficient. The method is based on the equation of movement of a rigid body along an inclined plane and has not been previously discussed in literature. According to the theoretical results presented in this paper, mean kinetic friction coefficient can be determined based on the time it takes a rigid body to travel a distance along an inclined plane. Experimental results show that the mean kinetic friction coefficient increases with increasing mean sliding velocity, i.e. with decreasing sliding time. Increasing sliding velocity increases deviation of friction coefficients. This method also allows the determination of energy consumed due to friction along the travelled distance. Increasing mean kinetic friction coefficient and mean sliding velocity increases energy consumed due to friction. Practical calculation requires application of the distance law, which, in turn, requires accurate measurement of the sliding time and distance.

Keywords

friction coefficient; kinetic friction; sliding friction

Hrčak ID:

255811

URI

https://hrcak.srce.hr/255811

Publication date:

17.4.2021.

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