Revise GCSE Physics


P3f Crumple Zones

  1. What is momentum?
  2. What factors affect the size of the momentum of an object?
  3. What is the equation for momentum?
  4. What are the units for momentum?
  5. What happens to a cars momentum during a collision?
  6. What changes the momentum of an object?
  7. What effect does a sudden change in momentum have on a person?
  8. How are force and momentum related?
  9. Where does the energy a car has before a collision go?
  10. Why do seatbelts have to be replaced after an accident?
  11. What are the benefits and risks of using a seatbelt?
  12. Why do we use a seatbelt if there is a risk attached to using it?
  13. Which car safety features are designed to prevent accidents?
  14. Which car safety features are designed to protect the occupants in the event of an accident?
  15. What is meant by the "Impact Time"?
  16. What is the benefit of increasing the impact time of a collision?
  17. Which car safety features are designed to increase the impact time?
  18. Are there any other benefits to these car safety features?
  19. How do ABS brakes work?