Across
- 3. force that 2 surfaces exert on each other when they rub against each other
- 5. a fundamental number; represents the absence of any quantity
- 6. force of gravity on a person/object
- 7. amount of matter in an object
- 10. speed in a given direction
- 11. Zn metallic element, essential in various chemical reactions
Down
- 1. force that pulls objects toward each other
- 2. rate at which velocity changes
- 4. the SI unit that measures strength of force
- 7. measure of an object's motion; the product of mass and velocity
- 8. distance an object travels in a given unit of time
- 9. push or pull on an object
- 12. tendency of an object to resist a change in motion