Across
- 2. The force that pulls objects towards the Earth.
- 7. A measure of how stiff a spring is.
- 11. How quickly an object’s speed is increasing.
- 12. When an object returns to its original shape after being stretched or squashed.
- 13. The force that opposes motion between surfaces.
- 17. How quickly an object’s speed is decreasing.
- 19. A single force that represents all the combined forces on an object.
- 22. Forces that are not equal, causing a change in motion.
- 24. A turning force around a pivot.
Down
- 1. The top speed an object reaches when forces are balanced during free fall.
- 3. The upward force on an object in a liquid or gas.
- 4. The amount of matter in an object.
- 5. A force that slows objects moving through air or water.
- 6. When an object does not return to its original shape after being stretched or squashed.
- 8. Forces that are equal and opposite, causing no change in motion.
- 9. The rule that says force is proportional to extension in a spring.
- 10. A quantity that has size but no direction, like speed.
- 12. The state when all forces on an object are balanced.
- 14. The amount a spring stretches when a force is applied.
- 15. The fixed point around which an object turns.
- 16. The force of gravity acting on an object.
- 18. A quantity that has size and direction, like velocity.
- 20. The force acting on a surface per unit area.
- 21. The unit used to measure force.
- 23. A push or pull acting on an object.
