Is impulse change in momentum?

From Newton’s second law of motion, we know that if a force is applied to a body then the body accelerates in the direction of the applied force.

By definition, acceleration is the rate of change of velocity, in the form of an equation this is represented as:

Acceleration Formula

Therefore, F = ma can be written as:

Force Equation

Force Formula

Since (mv – mu) is the change of momentum, therefore,

Force Formula

If a force F is applied on a body of mass m for a time interval Δt and if the change in velocity is Δv then impulse is given as follows:

Impulse Formula

We know that

Rearranging the equation, we get

Impulse Formula

The quantity Force × Time is called the impulse.

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