Chapter 2: (7) Impulse and Impulsive Force

Question 1

What is impulse and it’s SI unit?

Answer 1

The change of momentum. (kg m s-1)

Question 2

What is impulse force and it’s SI unit?

Answer 2

The rate of change of momentum (N)

Question 3

What is the formula for Impulse and Impulse force?

Answer 3

Impulse, J = Ft = mv-mu,
Impulsive force, F = (mv-mu)/t

Question 4

Newton’s Third Law of Motion states that…

Answer 4

For every action there is a reaction of equal magnitude but in the opposite direction.