The treatises of mechanics
This chapter is devoted to VWLs as presented in the main treatises of mechanics where a reductionist approach is assumed. In the first part, the treatises of Siméon Denis Poisson and Jean Marie Constant Duhamel are presented. In the second part the approach of Jean Marie Gustav Gaspard Coriolis is presented. To point out the introduction of modern term virtual work, the introduction of the problems associated with friction and finally the change in the ontological status of virtual work. From simple mathematical to physical magnitude.