Across
- 2. The weight moved by a simple machine
- 4. The force pushing an aircraft upwards
- 6. The force that is equal and opposite to the action force
- 7. The fixed point around which a lever moves
- 10. A grooved wheel with a rope over it
- 12. The name for a gear wheel on a bicycle
- 13. A type of force, for example supplied by the engines of a rocket
- 14. The frictional force that slows down an aircraft
Down
- 1. A device that helps you do things more easily is called a simple ____
- 3. To make a force larger
- 5. A type of simple machine, for example a ramp (two words)
- 8. The force that pushes an aircraft forward
- 9. The force you apply to a simple machine
- 11. A long bar that moves about a fixed point called a pivot
- 15. A toothed wheel used to transfer force from one place to another