Across
- 4. measured in joules
- 5. Circle often with axle;in car
- 7. a simple________
- 9. wheel that carries a flexible rope
- 10. One thick end that tapers in a thin edge
Down
- 1. rod with a spiral around it
- 2. measured in watts
- 3. Rube ___________ project
- 6. a rigid bar resting on a pivot
- 8. something that wheels revolve on