Across
- 4. a device that makes work easier
- 6. the transfer of energy through motion
- 7. how work is measured
- 8. a rope wrapped around a wheel
- 9. the amount of lever types
Down
- 1. a machine consisting of two wheels of different sizes that rotate together
- 2. a slanted surface or ramp
- 3. the number of simple machines there are lever a bar that is free to turn on a fixed point called a fulcrum.
- 5. an inclined plane that turns around a central point
- 6. an inclined plane with 2 sloping sides
- 7. the fixed point that the lever is supported.