Air Resistance

Definition

Air resistance, also known as drag, is the force exerted by air molecules on an object moving through the air. It opposes the motion of the object and depends on factors like speed, surface area, and shape.

Related terms

Terminal Velocity: Terminal velocity is the maximum constant velocity reached by an object falling through a fluid (like air) when its weight equals the drag force acting upon it.

Streamlined Shape: A streamlined shape refers to a shape that minimizes air resistance by reducing turbulence and allowing smooth airflow around an object. Examples include teardrops or airplane wings.

Drag Coefficient: The drag coefficient (Cd) quantifies how much an object resists motion through a fluid due to its shape. Lower values indicate more aerodynamic shapes with less air resistance.