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- Dictionaryterminal velocity
noun
- 1. the constant speed that a freely falling object eventually reaches when the resistance of the medium through which it is falling prevents further acceleration.
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- Terminal velocity is the constant speed an object acquires after falling through fluid, like air. It occurs when the sum of the buoyant force and the drag force equals the force due to gravity. The terminal velocity is the highest velocity during the object’s fall.
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What is terminal velocity?
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What is the difference between terminal velocity and air resistance?
Aug 16, 2024 · Terminal velocity, steady speed achieved by an object freely falling through a gas or liquid. An object dropped from rest will increase its speed until it reaches terminal velocity; an object forced to move faster than it terminal velocity will, upon release, slow down to this constant velocity.
- The Editors of Encyclopaedia Britannica
Terminal velocity is the maximum speed attainable by an object as it falls through a fluid (air is the most common example). It is reached when the sum of the drag force (Fd) and the buoyancy is equal to the downward force of gravity (FG) acting on the object.
Terminal velocity is the highest velocity that is achieved by an object as it falls through a fluid or a gas. Terminal force occurs when an object is subjected to a resistance that increases with an increase in velocity, and when its resistance equals the driving force.
- The maximum velocity attained by an object as it falls through a fluid is called terminal velocity.
- As the object attains terminal velocity, it starts moving with a constant speed in a constant direction because the resultant force acting on the o...
- The size and shape of the object affect the air drag; this, in turn, will affect the terminal velocity.
- There is no drag force in a vacuum; therefore, terminal velocity does not exist.
- Terminal Velocity Definition
- Terminal Velocity Equation
- Free Fall Definition
- Free Fall Equation
- How Fast Is Terminal velocity? How Far Do You Fall?
- References and Further Reading
- GeneratedCaptionsTabForHeroSec
Terminal velocity is defined as the highest velocity that can be achieved by an object that is falling through a fluid, such as air or water. When terminal velocity is reached, the downward force of gravity is equal to the sum of the object's buoyancy and the drag force. An object at terminal velocity has zero net acceleration.
There are two particularly useful equations for finding terminal velocity. The first is for terminal velocity without taking into account buoyancy: Vt = (2mg/ρACd)1/2 where: 1. Vtis the terminal velocity 2. m is the mass of the object that is falling 3. g is acceleration due to gravity 4. Cdis the drag coefficient 5. ρ is the density of the fluid t...
The everyday use of the term "free fall" is not the same as the scientific definition. In common usage, a skydiver is considered to be in free fall upon achieving terminal velocity without a parachute. In actuality, the weight of the skydiver is supported by a cushion of air. Freefall is defined either according to Newtonian (classical) physics or ...
If an object is falling toward the surface of a planet and the force of gravity is much greater than the force of air resistance or else its velocity is much less than terminal velocity, the vertical velocity of free fall may be approximated as: vt = gt + v0 where: 1. vtis the vertical velocity in meters per second 2. v0is the initial velocity (m/s...
Because terminal velocity depends on drag and an object's cross-section, there is no one speed for terminal velocity. In general, a person falling through the air on Earth reaches terminal velocity after about 12 seconds, which covers about 450 meters or 1500 feet. A skydiver in the belly-to-earth position reaches a terminal velocity of about 195 k...
Huang, Jian. "Speed of a Skydiver (Terminal Velocity)". The Physics Factbook. Glenn Elert, Midwood High School, Brooklyn College, 1999.U.S. Fish and Wildlife Service. "All About the Peregrine Falcon." December 20, 2007.The Ballistician. "Bullets in the Sky". W. Square Enterprises, 9826 Sagedale, Houston, Texas 77089, March 2001.Terminal velocity is the highest speed of an object falling through a fluid, such as air or water, when gravity and drag are balanced. Free fall is the motion of a body under gravity, with or without air resistance, in classical or general relativity.
- Anne Marie Helmenstine, Ph.D.
Learn what terminal velocity is and how it depends on the mass and shape of an object falling through a fluid. See examples of terminal velocity for skydivers and parachutists.
Sep 12, 2022 · The terminal velocity is the same as the limiting velocity, which is the velocity of the falling object after a (relatively) long time has passed. Similarly, the limiting distance of the boat is the distance the boat will travel after a long amount of time has passed.
