Terminal Velocity

Definition

Terminal velocity is the constant maximum velocity reached by an object falling through a fluid (such as air) when the force of gravity pulling it downward is balanced by an upward force (like air resistance).

Related terms

Drag Force: The force exerted on an object moving through a fluid that opposes its motion.

Free Fall: The motion of an object under only the influence of gravity, without any other forces acting upon it.

Air Resistance:

A type of drag force caused by collisions between an object and molecules in the surrounding air.