👉 Isostat, also known as isostatic equilibrium, is a concept in physics that describes how an object's shape and size change when it experiences a net force. It is often used to describe the behavior of materials under tensile loads or compression forces, where the stress on an object changes with time. In simple terms, "isostat" means "a system subjected to a net external torque." This torque acts in the direction opposite to the applied load, which causes the shape and