Equilibrium is the product of an axiomatic system.
She squinted through her fingers and braced herself against one wall to counter the effects the drugs had on her equilibrium as she moved down the long hallway.
When the two chemicals are mixed they have a short reaction time before they reach equilibrium.
The cell, together with this balancing electromotive force, is thus a reversible system in true equilibrium, and the thermodynamical reasoning applicable to such systems can be used to examine its properties.
Meanwhile the podest still subsists; but he is no longer equal to the task d maintaining an equilibrium of forces.