virtual force feed back
virtual force principle
virtual repulsive force
virtual-field-force method
Virtual Virtual Yoshida Buckling
virtual robbery of virtual property
action force and reaction force
applied electromotive force {= applied EMF}; impressed electromotive force
Attractive Force and Spring Force Characteristics
Centripetal force and tangential force
equation of capillary force and buoyant force
force of-whist force stability
force-drive (or force-closed) cam mechanism