What is v = u + at?

By BYJU'S Exam Prep

Updated on: September 25th, 2023

v = u + at is Newton’s first equation of motion. It explains the behavior of physical schemes based on movement as a function of time according to Newtonian Mechanics. The equation of motion includes acceleration, velocity, and position of a body based on a specific reference frame.

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Newton’s First Law of Motion

Given equation is v = u + at

The above equation is the first newton’s equation of motion in the equation:

  • v is the final velocity
  • t is the time of motion
  • u is the initial velocity
  • a is the acceleration

In Newtonian mechanics, equations of motion specify how a physical system will behave in terms of how it will move over time. Equations of motion are mathematical formulas that describe a body’s position, velocity, or acceleration with respect to a certain frame of reference.

According to Newton’s first law of motion, an external force must be applied in order for an object to begin moving, stop moving, or change direction. Inertia is the ability of large entities to resist changes in their state of motion. The law of inertia is another name for the first law of motion.


What is v = u + at?

The first Newton’s equation of motion is v = u + at. Newtonian Mechanics, explains how a physical system based on movement as a function of time behaves. The body’s acceleration, velocity, and position in relation to a particular reference frame are all included in the equation of motion.

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