Momentum & Safety (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is felt by passengers when a car brakes hard?
What is felt by passengers when a car brakes hard?
A large force
Why can hard braking cause injuries like whiplash?
Why can hard braking cause injuries like whiplash?
Large force felt by passengers
What does large deceleration equal in terms of momentum?
What does large deceleration equal in terms of momentum?
Large change in momentum over short time
What happens to passengers without seatbelts during hard braking?
What happens to passengers without seatbelts during hard braking?
Fly through windscreen
What do seatbelts do under large forces?
What do seatbelts do under large forces?
Stretch
How do seatbelts reduce force on passengers?
How do seatbelts reduce force on passengers?
Extend time to stop
What happens to crumple zones during a crash?
What happens to crumple zones during a crash?
They crumple and compact
What do crumple zones absorb during a crash?
What do crumple zones absorb during a crash?
Energy
How do crumple zones reduce force on passengers?
How do crumple zones reduce force on passengers?
Increase time for car to stop
What would happen without crumple zones during a crash?
What would happen without crumple zones during a crash?
Car would immediately stop
When do airbags inflate?
When do airbags inflate?
Instantaneously upon crash
How do airbags reduce force on the neck?
How do airbags reduce force on the neck?
Increase time for head to stop