P3 - Crumple zones Flashcards
1
Q
What is the formula for momentum?
A
Momentum = mass x velocity
2
Q
What are the units for momentum?
A
kgm/s
3
Q
Calculate the momentum of a car of mass 1000 kg traveling at 20m/s.
A
Momentum = mass x velocity
1000 x 20 = 20000kgm/s
4
Q
What are the main safety features of cars?
A
- brakes
- crumple zones
- seatbelt
- air bag
5
Q
How do crumple zones work?
A
Crumple zones absorb some of the cars energy by changing shape.
6
Q
What are the features that prevent crashes?
A
- ABS brakes
- traction control
- electric windows
- paddle shift controls
7
Q
What are the features that protect occupants?
A
- crumple zone
- safety cage
- air bags
- collapsible steering column
- side impact beams
