Across
- 2. put out by a machine
- 3. an inclined plane with 2 sloping sides
- 4. an inclined plane that turns around a central point
- 7. a slanted surface or ramp
- 9. the unit work is measured in
- 10. a device that makes work easier with only one movement.
- 11. a rope wrapped around a wheel
Down
- 1. a machine that combines two or more simple machines
- 3. the transfer of energy through motion
- 5. two wheels that rotate together with an axle acting as a fulcrum
- 6. a bar that turns at the fulcrum
- 8. a measure of how much of the work put into a machine is changed to useful