Mech.
the principle that the total work done by all forces on a system in static equilibrium is zero for a set of infinitesimally small displacements.
Mech.
the principle that the total work done by all forces on a system in static equilibrium is zero for a set of infinitesimally small displacements.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012