Across
- 7. a fluid like friction that objects experience in free fall
- 8. the greatest velocity that can be obtained
- 9. the force of gravity on a person or object at the surface of a planet
- 10. a type of friction that occurs when objects roll over each other
- 11. occurs when there is a net force acting on an object
- 13. a type of friction that occurs when objects roll over a surface
Down
- 1. the SI unit that measures the strength of force
- 2. a push or a pull
- 3. a measure of the amount of matter in an object
- 4. an object that is thrown
- 5. a type of friction that acts on a nonmoving object
- 6. the force that two surfaces exert on each other
- 12. the overall force of an object
- 14. the force that pulls objects together