Impact forces

Question 1

Complete the statement- “The longer the impact time….

Answer 1

the more the impact force is reduced”

Question 2

what do crumple zones do?

Answer 2

Increase the impact time, decreasing the force produced but the change in momentum

Question 3

What do seat belts do?

Answer 3

Increase the time taken for the wearer to stop

Question 4

What do air bags do?

Answer 4

Slow you down gradually and prevent you from hitting hard surfaces in the car

Question 5

What do she impact bars do?

Answer 5

They help direct the kinetic energy of the crash way from the passengers to other areas of the car.