Across
- 4. newtons first law
- 5. another word for weight
- 7. two forces rubbing together
- 8. device which uses a rope for lifting
Down
- 1. another word for fulcrum
- 2. a scientific figure who's first name is isaac
- 3. the invisible force that keeps pulling down to earth
- 6. which law is the law of inertia
- 7. another word for pivot