Virtual Work
Generalized forces can be obtained from the computation of the virtual work, δW, of the applied forces.
The virtual work of the forces, Fi, acting on the particles Pi, i=1,..., n, is given by
where δri is the virtual displacement of the particle Pi.
Read more about this topic: Generalized Forces
Famous quotes containing the words virtual and/or work:
“Neither dead nor alive, the hostage is suspended by an incalculable outcome. It is not his destiny that awaits for him, nor his own death, but anonymous chance, which can only seem to him something absolutely arbitrary.... He is in a state of radical emergency, of virtual extermination.”
—Jean Baudrillard (b. 1929)
“A great world leader is gone. Liberty loving people around the globe are sad tonight. We are strengthened in the thought of President Roosevelt’s work for little people everywhere.”
—Lyndon Baines Johnson (1908–1973)