Unit 2 Motion and Forces

2. a push or pull on one object by another object that is touching it
4. a force that exists between certain materials, such as magnetized iron
8. a push or a pull
10. acceleration in circular motion
13. the rate at which velocity changes
15. a force of attraction that exists between any two objects that have mass
16. a quantity that has both size and direction

1. a location to which you compare other locations
3. acts between objects that are electrically charged
5. Newton's first law, the tendency of all objects to resist any change in motion
6. a change in position over time
7. a measure of how far something moves
9. a force that pushes or pulls on an object without touching it
11. the combination of all the forces acting on an object
12. speed in a specific direction
14. the location of an object