Acceleration

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Acceleration

Acceleration (/ækˌsɛləˈreɪʃən/) is a fundamental concept in physics that describes the rate of change of velocity of an object with respect to time. It is a vector quantity with both magnitude and direction.

Etymology

The term "acceleration" is derived from the Latin word "accelerare", which means "to hasten" or "to speed up".

Definition

In physics, acceleration is defined as the rate at which an object changes its velocity. It is usually measured in meters per second squared (m/s²) or in terms of the gravitational constant "g" (9.8 m/s²).

Types of Acceleration

There are two types of acceleration: Positive Acceleration and Negative Acceleration (also known as deceleration). Positive acceleration refers to an increase in velocity, while negative acceleration refers to a decrease in velocity.

Related Terms

  • Velocity: The speed of an object in a particular direction.
  • Speed: The rate at which an object moves.
  • Deceleration: A decrease in velocity.
  • Gravity: The force that attracts a body towards the center of the earth, or towards any other physical body having mass.
  • Force: An influence that causes an object to undergo a change in speed, direction, or shape.

See Also

External links

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