Across
- 3. piece of material like iron that attracts certain metals
- 5. forces that change the motion of an object
- 6. rate at which something moves or travels
- 7. act of rubbing one thing against another
- 8. lack of movement or activity
- 9. quantity that has both size and direction
Down
- 1. changing location from one place to another
- 2. two forces acting in opposite direction on an object and equal in size
- 4. force that tries to pull two objects toward each other