7.4 Impluse

Question 1

Define the impulse of a force

Answer 1

The product of force and the time for which this force acts on an object

Question 2

State the relationship between impulse and momentum

Answer 2

Impulse = change of momentum

Question 3

What does the area under the line of a force-time graph represent

Answer 3

The impulse of the force / change in momentum of the object

Question 4

What does the area under a force-time graph represent

Answer 4

Impulse

Question 5

How is impulse calculated

Answer 5

The product of the force x the time for which the force acts
P = f x t

Question 6

Describe how the force - time graph for a car crash would be different if the car had a crumple zone

Answer 6

With a crumple zone the peak will be lower, the base of the curve would be wider and the area under the curve would be the same