Before revision: Screw theory is the algebraic calculation of pairs of vectors, such as angular and linear velocity, or force s and moments, that arise in the kinematics and dynamics of rigid bodies.Dimentberg, F. M. (1965) The Screw Calculus and Its Applications in Mechanics, Foreign Technology Division translation FTD-HT-23-1632-67Yang, A.T. (1974) "Calculus of Screws" in Basic Questions of Design Theory, William R. Spillers (ed.
After revision: Screw theory iforces the algebraic calculation of pairs of vectors, such as angular and linear velocity, or s and moments, that arise in the kinematics and dynamics of rigid bodies.Dimentberg, F. M. (1965) The Screw Calculus and Its Applications in Mechanics, Foreign Technology Division translation FTD-HT-23-1632-67Yang, A.T. (1974) "Calculus of Screws" in Basic Questions of Design Theory, William R. Spillers (ed.