Across
- 5. Force acting per unit area.
- 6. The force acting on an object due to gravity.
- 8. The distance between peaks on adjacent waves.
- 9. The turning effect of a force about a pivot.
- 13. A transverse wave that can travel through a vacuum.
- 16. The single force that has the same effect as all the forces acting on an object combined.
- 18. An increase in the wavelength of light from an object moving away from the observer.
- 19. The total distance travelled during thinking distance and braking distance.
Down
- 1. A quantity that has both magnitude and direction.
- 2. The rate of change of velocity.
- 3. The number of complete waves passing a point each second.
- 4. The distance travelled after the brakes are applied until the vehicle stops.
- 7. Speed in a given direction.
- 8. Energy transferred when a force moves an object through a distance.
- 10. The product of an object's mass and velocity.
- 11. A push or pull that can change the motion or shape of an object.
- 12. A quantity that has magnitude only and no direction.
- 14. The distance travelled while the driver reacts to a hazard.
- 15. The tendency of an object to resist changes in its motion.
- 17. The change in direction of a wave when it enters a different medium.