·adj Pertaining to bodies at rest or in equilibrium.
II. Statical·adj Resting; acting by mere weight without motion; as, statical pressure; static objects.
Statically indeterminate
In statics and structural mechanics, a structure is statically indeterminate when the static equilibrium equations force and moment equilibrium conditions are insufficient for determining the internal forces and reactions on that structure.
The number of young people obtaining qualifications has remained static or decreased...
ADJ
2.
Static or static electricity is electricity which can be caused by things rubbing against each other and which collects on things such as your body or metal objects.
N-UNCOUNT
3.
If there is static on the radio or television, you hear a series of loud noises which spoils the sound.
N-UNCOUNT
Википедия
Statically indeterminate
In statics and structural mechanics, a structure is statically indeterminate when the static equilibrium equations – force and moment equilibrium conditions – are insufficient for determining the internal forces and reactions on that structure.