Work and Energy
Across
- 3. Kinetic energy depends on ______ and mass
- 4. Work is a ______ quantity
- 6. The SI unite for work
- 7. energy that depends on height from a zero level
- 11. The rate at which energy is transferred
- 12. Potential energy is ______ energy
- 13. the sum of kinetic energy and all forms of potential energy
- 14. the energy of an object due to its motion.
- 15. gravutational potential energy depends on _____ times free-fall acceleration times height
- 17. the potential energy in a stretched or compressed elastic object
- 19. The net work done on an object is equal to the change in the kinetic energy of the object.
Down
- 1. Is often associated with kinetic energy
- 2. Net work equals displacement times cosine of the angle between them times _______.
- 5. The principle that total mechanical energy remains the same in the absence of friction.
- 8. In the absence of friction, mechanical energy is _______.
- 9. Power is _____ divided by time interval
- 10. Machines with ______ power ratings do the same work in _____ time intervals
- 16. The SI unite of power
- 18. the energy associated with an object due to the position of the object
- 20. the _____ symbol is called the spring constant