Across
- 1. a push or a pull
- 4. the force of gravity
- 5. the amount of matter in an object
- 6. an area; a force ___________
- 8. a force that involves electrons
- 10. a contact force
- 11. unit of force, named after Sir Isaac N_____
- 15. the study of forces and energy
- 16. something pulling towards you
- 17. anything that makes our lives easier
Down
- 2. something pushing away from you
- 3. a force of attraction or repulsion; involves metal
- 5. another word for moving
- 7. a magnet that operates with electricity
- 9. rate in change of speed
- 12. not balanced
- 13. happens in a storm; flash of light
- 14. a force that pulls towards Earth