Across
- 6. type of potential energy that depends on height
- 9. approximate magnitude of gravitational field strength of Earth
- 12. work done per unit of time
- 14. gradient in speed-time graph
- 17. speed in certain direction
- 18. force that opposes motion due to the contact between two surfaces
- 20. SI unit of time
Down
- 1. SI unit of mass
- 2. area below speed-time graph
- 3. amount of matter
- 4. the product between mass and acceleration
- 5. type of force that among certain range obeys Hooke's law
- 7. quantity that has magnitude and direction
- 8. SI unit of energy
- 10. form of energy related to movement
- 11. SI unit of weight
- 13. gravitational force
- 15. useful work done over total energy input
- 16. energy transferred
- 19. capacity of doing work