Across
- 4. forces that are opposite on an object
- 6. Law of action/reaction
- 8. tendency to resist a change
- 10. resistance that one surface or object encounters when moving over another
- 12. Force that causes a change in motion
Down
- 1. relationship between an object's mass and the amount of force needed to accelerate
- 2. increase in the rate or speed
- 3. law of acceleration
- 5. two forces acting in opposite directions on an object
- 7. Law of inertia
- 9. SI unit of force
- 11. sum of forces acting on a particle or body