%0 Journal Article %T The determination of the kinetic energy--of machine and tractor units for the study of motion using Lagrange equations of the second kind %A Veliev, N.. %A Veliev, R.. %K movement, Assembly, stability, Lagrange equation, kinetic energy, generalized coordinates, the point of bringing %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 7 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov