Across
- 1. If I travelled 10m in 2 seconds my speed would be ......... metres per second
- 3. these athletes hate air resistance
- 6. The force of air pushing against a moving object
- 9. Used to measure forces
- 11. A surface with very little friction
- 12. A reduction in this spelt the end for the Titanic
Down
- 1. A push or a pull
- 2. When two forces are acting unequally on an object
- 4. When two forces are acting equally on an object
- 5. Substance such as oil that decreases friction
- 7. The effect of this force is less on the Moon than on the Earth
- 8. Famous gravity man gets unit of force named after him
- 9. Resistance to the motion of an object
- 10. I'm going at a speed of 10 metres per second, it takes me ..... seconds to travel 30m
- 11. The rate at which an object moves
- 13. A point about which something turns - a lever for example