This is one in which neither matter nor energy can be transferred to the surroundings. A dynamic equilibrium can only be establshed in a closed system – it cannot be established in an open system. Why ...

The rate of reaction decreases as the reactant is used up and its concentration falls. In a reaction in which an equilibrium is established in a closed system, the amount of reactant falls from its ...

Merton, Robert C. "A Dynamic General Equilibrium Model of the Asset Market and Its Application to the Pricing of the Capital Structure of the Firm." Sloan School of Management Working Paper, No.

However, the net result is that you stay in exactly the same place. This is an example of equilibrium. It is a dynamic equilibrium because your legs and the escalator are still moving.

However, the net result is that you stay in exactly the same place. This is an example of equilibrium. It is a dynamic equilibrium because your legs and the escalator are still moving.