Across
- 3. two or more simple machines put together
- 9. a force that occurs when to objects rub together
- 10. stored energy
- 12. when a force changes an object motion
- 13. straight bar that moves on a fixed point
- 14. uses a rope and wheel
- 15. the amount of space between two objects
- 17. inclined plane wrapped into a spiral
- 18. the location of an object
- 19. energy of motion
- 21. the ability to do work
Down
- 1. a push or pull
- 2. wheel that moves around a post
- 4. an object with magnetic force
- 5. a change in position
- 6. how quickly an object moves
- 7. a pulling force between two objects
- 8. machine with few or no moving parts
- 11. machine with flat slanted surface
- 16. the measure of the pull of gravity
- 20. machine that splits objects apart