Across
- 4. causes objects to move
- 5. is done when a force moves something
- 6. machines make work easier
- 8. the force that pulls an object toward the center of the earth
- 10. A change of position
- 11. One kind of invisible force
Down
- 1. a push or pull
- 2. The measure of the force of gravity on an object
- 3. A force that slows or stops motion
- 7. the pushing and pulling force caused by a magnet
- 9. can change from one form to another