8Einstein Crossword puzzle

12345678910111213
Across
  1. 1. If I travelled 10m in 2 seconds my speed would be ......... metres per second
  2. 3. these athletes hate air resistance
  3. 6. The force of air pushing against a moving object
  4. 9. Used to measure forces
  5. 11. A surface with very little friction
  6. 12. A reduction in this spelt the end for the Titanic
Down
  1. 1. A push or a pull
  2. 2. When two forces are acting unequally on an object
  3. 4. When two forces are acting equally on an object
  4. 5. Substance such as oil that decreases friction
  5. 7. The effect of this force is less on the Moon than on the Earth
  6. 8. Famous gravity man gets unit of force named after him
  7. 9. Resistance to the motion of an object
  8. 10. I'm going at a speed of 10 metres per second, it takes me ..... seconds to travel 30m
  9. 11. The rate at which an object moves
  10. 13. A point about which something turns - a lever for example