Across
- 2. Study of matter and the forces that act on it
- 4. A measure of gravity pulling on an object
- 6. Newton's Law, Force = mass x acceleration
- 7. Amount of matter in an object
- 8. One surface or object rubbing against another
- 9. Forces that are equal in size and opposite in direction
- 10. When the net force on an object does not equal zero
- 12. Sum of all forces acting on an object
- 13. Unit used to measure force
Down
- 1. Newton's law also known as the law of inertia
- 2. Stored energy
- 3. Energy of motion
- 5. Conversion of one form of energy to another
- 8. A push or pull
- 11. Change in speed or direction (or both)