Source : Webster's Revised Unabridged Dictionary (1913)

Statics \Stat"ics\, n. [Cf. F. statique, Gr. ? the art of
   weighing, fr. ?. See {Static}.]
   That branch of mechanics which treats of the equilibrium of
   forces, or relates to bodies as held at rest by the forces
   acting on them; -- distinguished from dynamics.

   {Social statics}, the study of the conditions which concern
      the existence and permanence of the social state.

Source : WordNet®

statics
     n : the branch of mechanics concerned with forces in equilibrium