Chapter 5 Extra Credit

7. The spring ___, or k, shows the rigidness of a spring
9. The SI unit for power
10. All types of energy and power are ___.
11. The SI unit for work and energy
12. The ___ of an object is relative to the problem
13. The energy acquired by the objects upon which work is done
15. Must be present in work
16. The ability to do work
18. If the force is opposite to the direction of motion, it does ___ work
19. The force a spring exerts on an object is ___ proportional to the amount of stretch in the opposite direction
20. A measure of energy transfer that occurs when object is moved over a distance by a force

1. ___ potential energy is the energy stored in a stretched or compressed spring
2. The energy an object posses because of its position in a ___ field is known as GPE
3. The stored energy of position possessed by an object
4. The energy of an object in motion
5. The object must move, causing ___
6. The mechanical energy lost equals the work done by ___ and/or air resistance
8. The force in work must ___ the displacement
14. Rate at which work is done
17. The ___ force of a spring brings it back to its resting length