Across
- 2. force that comes when it's being supported by another object
- 3. matter or substance that makes up an object
- 7. a push or pull
- 8. when something is put to something
- 10. physical contact between two objects
- 12. force that resists sliding or rolling over another object
- 13. a force that pulls things down
Down
- 1. exists in a rope, string, chain, etc
- 4. velocity changes with time
- 5. resistance Force that resists motion
- 6. exists in elastic object
- 9. no physical contact is needed
- 11. Three famous laws
