Across
- 3. measurement of the force that gravity pulls on an object
- 6. an object will keep moving at the same speed and direction unless another force acts on it
- 8. stated laws that describe the effects of forces on motion
- 9. When one object pushes on a second object, the second one pushes back on the first with a force that is equal in size and opposite in direction
- 10. push or pull one object exerts on another
Down
- 1. forces that are equal in size and in opposite directions
- 2. F=ma
- 4. Force of attraction between objects and causes all objects to fall to Earth
- 5. makes motion more difficult between two materials that are in contact because of microscopic hills and valleys
- 7. this stays the same wherever you are