Simple Machines
Across
- 3. a rope wrapped around a wheel
- 6. a bar that is free to turn on a fixed point called a fulcrum
- 9. a machine that combines two or more simple machines
- 10. a pulley that doesn’t move
- 11. a pulley that moves
- 12. an inclined plane that turns around a central point
Down
- 1. a device that makes work easier with only one movement
- 2. a slanted surface or ramp
- 4. an inclined plane with 2 sloping sides instead of one
- 5. a machine consisting of two wheels of different sizes that rotate together
- 7. a measure of how much of the work put into a machine is changed to useful
- 8. the transfer of energy through motion
- 13. put out by a machine