Question

What is impulse of a force, how it is related to momentum. (

Answer 1

The change in the momentum of any object is described as an Impulse.

⇒ Momentum = mass time velocity

⇒ Impulse = mass times the change in velocity

Also, Impulse is the momentum an object gains or loses due to acceleration(s) during a fixed period of time. So, it equals force times mass.

Momentum = m * v = kg * m/s

Impulse = m * ΔV = kg * m/s.

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Answer 2

IMPULSE:

Impulse refers to a quantity that describes the effect of a force vector acting for a specific time period resulting in change of the linear momentum of a body.

Let impulse be I , force be F and time be ∆T

$\boxed{I = F \times \Delta T}$

Now, momentum is also defined as the instantaneous rate of change of force of a body with respect to time.

$F= \dfrac{ \Delta P }{\Delta T}$

$\implies \: \Delta P = F \times \Delta T$

$\implies \: \Delta P = I$

So, impulse basically refers to the change in linear momentum of an object upon a force acts for a particular time.