Across
- 2. causes objects to fall downwards
- 4. opposite of attract
- 6. length covered by a moving body
- 7. increase in velocity
- 10. produced by rubbing two objects against each other
- 12. he invented the spring balance
- 13. tells how fast an object moves
Down
- 1. friction between two stationary objects
- 3. speed with direction
- 4. ___ force single force having same effect as two
- 5. also known as spring balance
- 8. used to reduce friction
- 9. change in position
- 10. push or pull
- 11. amount of matter an object has