Across
- 1. amount of a matter
- 3. a stopping force
- 4. Attractive force
- 8. photons are in form
- 11. moving energy
- 12. Newton's first law
Down
- 2. velocity to the time taken
- 5. missilean of India
- 6. measure of mass with gravity
- 7. number of protons
- 9. measure of the distance to the time taken
- 10. natural satellite
