Across
- 1. – capacity to do work.
- 2. – attraction between masses.
- 3. – force resisting motion between surfaces.
- 4. – energy transfer when a force acts through distance.
- 6. – force × time, change of momentum.
- 9. – turning effect of a force.
- 13. – change of velocity per unit time.
Down
- 1. – state of balanced forces.
- 3. – push or pull that changes motion.
- 5. – how fast something moves (scalar).
- 6. – resistance to change in motion.
- 7. – curved path around another body due to gravity.
- 8. – speed in a given direction (vector).
- 10. – product of mass and velocity.
- 11. – rate of doing work.
- 12. – amount of matter in an object.