Across
- 3. Way of reducing friction
- 6. Contact force
- 7. A rock that orbits sun , between mars and jupiter
- 8. Force of gravity acting upon you
- 10. Unit of energy
Down
- 1. Equal to angle of reflection
- 2. Biggest planet of solar system
- 4. Light travel in this wave
- 5. One of three kind of forces
- 9. Energy uses sun to work