MOMENTUM

1 mark · Normal

Which of these best explains why airbags increase safety in cars during a crash?

Show answer

Correct option: They increase the time taken to stop the passenger.

Common mistakes: Choosing option 1 or 2

Show mark scheme and worked solution

Marking points

B1 · 1 mark · Correct option selected.

Worked solution

(c) is correct: Increasing the time taken to stop reduces the force acting on the passenger for the same momentum change.