Across
- 4. claw hammer/crow bar
- 6. multiple simple machines working together
- 8. engery from motion
- 9. bicycle/steering wheel
- 10. usually used with a screwdriver
Down
- 1. chain reaction with multiple simple machines
- 2. basic mechanical device
- 3. knife/axe
- 5. ramp/staircase
- 7. helpful in raising heavy loads