Work and Energy

5. Heat energy can also be defined as ____ energy
8. Potential energy is the same as ______ energy
9. Energy cannot be _____ nor destroyed
15. Work is measured in _____
16. How much work is done when a student pushes on a box, but does not move it?
18. Potential energy is ____ when dealing with springs
19. Work is defined as Force times _____
21. Mechanical ____ is the rate at which work is done
22. Throughout a frictionless roller coaster ride, the total energy everywhere remains ____
23. Applying the _____ when driving causes the energy of the car to change
24. An object has 20J of PE at the top of a ramp, how much KE will it have at the bottom of the ramp?

1. Potential energy is ____ when an object is raised off the ground
2. When a roller coaster goes downhill, the potential energy ____
3. Energy can only be ____ from one form to another
4. Mechanical power can be defined as the rate at which energy is _____
6. Changing the energy of a system involves doing ____
7. The kinetic energy of a roller coaster is highest near the ____ of a hill
9. Energy is _____ in a closed system
10. The potential energy of a roller coaster is lowest near the ______ of a hill
11. When a roller coaster goes downhill, the kinetic energy _____
12. Power can be calculated as Force times ___
13. Kinetic energy is the energy of ______ things
14. A box is pushed 3.0m with a force of 10N; ___J of work was done
17. The amount of work done to raise a 6.12kg object 1m into the air is approximately ___J
20. Power can be calculated as work over ____
24. The potential energy of a roller coaster is highest near the ___ of a hill
25. The kinetic energy of a roller coaster is lowest near the ___ of a hill