Across
- 4. an inclined plane with 2 sloping sides instead of one
- 5. the effort is in the middle
- 7. the fulcrum is in the middle
- 8. inclined plane that turns around a central point
Down
- 1. machine consisting of 2 wheels of different sizes that rotate together
- 2. a rope wrapped around a wheel
- 3. the resistance is in the middle
- 4. transfer of energy through motion
- 6. plane a slanted surface or ramp