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  1. Acceleration - Wikipedia

    In mechanics, acceleration is the rate of change of the velocity of an object with respect to time. Acceleration is one of several components of kinematics, the study of motion.

  2. Acceleration | Definition, Facts, & Units | Britannica

    Dec 5, 2025 · Acceleration, rate at which velocity changes with time, in terms of both speed and direction. A point or an object moving in a straight line is accelerated if it speeds up or slows down.

  3. Acceleration: Definition, Formula, and Solved Problems

    Jan 2, 2023 · What is acceleration. How to find its magnitude. Does it have a direction. Learn its equations & units, along with graphs. Also, learn linear & tangential acceleration.

  4. Acceleration - The Physics Classroom

    Acceleration is the rate at which they change their velocity. Acceleration is a vector quantity; that is, it has a direction associated with it. The direction of the acceleration depends upon which direction the …

  5. Acceleration – The Physics Hypertextbook

    Acceleration occurs anytime an object's speed increases or decreases, or it changes direction. Much like velocity, there are two kinds of acceleration: average and instantaneous.

  6. Acceleration - Math is Fun

    Acceleration is how fast velocity changes: Speeding up. Slowing down (also called deceleration). Changing direction.

  7. Acceleration | Physics - Lumen Learning

    In everyday conversation, to accelerate means to speed up. The accelerator in a car can in fact cause it to speed up. The greater the acceleration, the greater the change in velocity over a given time. The …

  8. Acceleration - math word definition - Math Open Reference

    In calculus, the acceleration is found as being the derivative of velocity. In other words an object whose velocity is v has an acceleration of which is read as "dv - dt", and is the rate of change of the velocity …

  9. Acceleration - Math.net

    Acceleration is the rate at which the velocity of an object changes with respect to time. In other words, acceleration can be thought of as how fast velocity changes.

  10. Acceleration Calculator | Definition | Formula

    Acceleration is the rate of change of an object's speed; in other words, it's how fast velocity changes. According to Newton's second law, acceleration is directly proportional to the summation of all forces …