Terminal Velocity May 2026

When an object starts to fall, gravity is the dominant force, causing it to speed up rapidly. However, as its speed increases, it collides with more air particles, which creates an opposing upward force called air resistance or drag. : Initially, gravity ( Fgcap F sub g ) is much stronger than drag ( Fdcap F sub d ), so the object accelerates downward.

: Falling through "thicker" fluids like water results in a lower terminal velocity than falling through "thin" air. Real-World Examples Terminal Velocity - an overview | ScienceDirect Topics

, the net force is zero, and according to Newton’s Laws, the object maintains a constant Terminal Velocity . The Mathematical Formula Terminal Velocity

: Objects with a large surface area (like an open parachute) experience more drag and reach a much lower terminal velocity.

: As the object gets faster, the drag force grows until it exactly matches the weight of the object. Steady State : Once When an object starts to fall, gravity is

is the highest speed a falling object can reach as it moves through a fluid, such as air or water. It occurs when the downward force of gravity is perfectly balanced by the upward resistance of the fluid, known as drag . At this precise point, the object stops accelerating and continues to fall at a steady, constant speed. The Physics of Falling

You can calculate terminal velocity using the following equation provided by Science Buddies : : Falling through "thicker" fluids like water results

vt=2mgρACdv sub t equals the square root of the fraction with numerator 2 m g and denominator rho cap A cap C sub d end-fraction end-root Definition Terminal velocity Mass of the falling object Acceleration due to gravity ( Density of the fluid (e.g., air or water) Projected frontal area of the object Cdcap C sub d Drag coefficient (based on the object's shape) Key Factors Influencing Speed