Across
- 2. The extent or measurement of a surface
- 4. Directional speed of an object in motion
- 6. A unit of force
- 9. Force of attraction between two objects
- 11. A steep surface
- 12. The extent of something
- 13. A tendency to remain unchanged
Down
- 1. A reduction in the speed
- 3. Quantity with two independent variables
- 5. Something that remains relatively still
- 7. strength or energy attributed to action or movement
- 8. Amount of matter in an object
- 10. The relative mass contained by an object