Safety Flashcards
1
Q
How do seat belts work?
A
Seat belts stretch slightly, driver takes a longer time to slow down and stop for the same change in momentum, so the force acting on him or less
2
Q
How do air bags work?
A
Air bags slow you down more gradually, undressing time it takes for you to stop and hitting hard surfaces, for same change in momentum,so less force
3
Q
How do crumple zones work?
A
These crumple on impact, increase impact time, decreasing force produced for same change in momentum.
