Simple Machines
Across
- 6. is a slanted surface or ramp
- 7. two wheels of different sizes that rotate together
- 8. fr/fe
- 9. de/dr
- 10. a bar that is free to turn on a fixed point
Down
- 1. a machine that combines two or more simple machines
- 2. is a rope wrapped around a wheel
- 3. is an inclined plane with 2 sloping sides instead of one
- 4. a device that makes work easier
- 5. an inclined plane that turns around a central point