Across
- 2. A force that moves rocks and other materials downhill.
- 3. force that moves rocks downhill
- 4. A measure of how much matter is in an object
- 8. Equal forces acting on an object in opposite directions
- 10. A force that opposes motion between two surfaces that are in contact
- 14. An object's change in position relative to a reference point.
- 15. The combination of all forces acting on an object
- 16. The rate at which velocity changes
Down
- 1. Forces that can cause change in motion
- 5. Acceleration The rate at which velocity changes
- 6. A place or object used for comparison to determine if an object is in motion
- 7. Newtons 1st Law
- 9. Resistance to change in motion
- 11. Speed Moving at a steady rate over time
- 12. A push or a pull
- 13. Distance/time