Across
- 1. amount of matter an object has
- 4. unit is used to measure distance
- 7. unit for mass
- 9. is an action taken in response to something
- 11. strength or energy applied for an action
- 12. an object at rest
- 14. to strike one another or one against the other with a forceful impact
- 15. measured in Joules
- 16. determines the speed of a car
- 18. of an object depends on its mass and its speed.
- 19. a measure of rate at which an object moves over a distance
Down
- 1. action or process of moving
- 2. slowing or stopping a vehicle
- 3. tyres grip the road by
- 5. a speed with a direction
- 6. is recorded in seconds or hours
- 8. a rate at which an object changes its velocity
- 10. a safety device in a car, which protects us during collision
- 13. a measure of how much length an object has travelled
- 17. to press or crush into irregular folds