Across
- 2. How many fundamental forces are in physical science
- 3. A force can change#4?
- 4. The force that attracts a body toward the center of the earth, or toward any other physical body having mass.
- 8. An interaction that occurs between particles with electric charge.
- 9. A force can change #1?
Down
- 1. A force is defined as a what?
- 5. A force can change #2?
- 6. Nuclear interaction that causes particle decay.
- 7. A force can change #3?
- 9. The force that holds protons and neutrons together.