physico-mechanical
/ˌfɪzɪkəʊmɪˈkanɪkl/adjective
Of or relating to the dynamics of physical forces, or the branch of science concerned with mechanical phenomena.
Origin
Mid 17th century; earliest use found in Robert Sharrock (bap. 1630, d. 1684), Church of England clergyman and natural historian. From physico- + mechanical.