Across
- 2. the transfer of energy through motion
- 3. a grooved wheel with a rope or cable wrapped around
- 4. a ramp (two words)
- 5. an inclined plane wrapped around a cylinder
- 7. a seesaw is an example of this simple machine
Down
- 1. an influence or power that can cause a change in an object or system
- 2. a wheel attached to a smaller axle so that these two parts rotate together (three words)
- 6. an ax is an example of this simple machine