Across
- 4. ... of energy; energy cannot be created or destroyed
- 7. how much mass is in motion
- 9. a simple machine using a string to work
- 10. a quantity with direction and magnitude
- 11. the part of a car that the wheels sit on
- 12. a simple machine using a fulcrum
- 15. energy in motion
Down
- 1. the mechanical superiority of one force over another
- 2. a variable that stays the same in different problems, often denoted as k
- 3. energy at rest
- 5. change in momentum
- 6. the rate at which work is done
- 8. quantity measuring distance
- 13. using a spring-like force
- 14. change in kinetic energy