1. Trashcan Review Ch 12 2 teams Each Questions Labeled A worth 25 pts
Each Question Labeled B worth 50 pts
-extra shot from mark 1 25 extra points
-extra shot from mark 2 75 extra points

2. A Questions B Questions2 16 4 18 6 20 8 22 10 24 12 26 14 28 30
B Questions 1 17 3 19 5 21 7 23 9 25 11 27 13 29 15

3. What do you call the transfer of energy through motion?

4. The kind of energy that comes from the motion of objects is:

5. A
What is power?

6. What does potential energy depend on?B
What does potential energy depend on?

7. Kind of energy in the form of motion that depends on mass and velocity

8. What does chemical energy depend on?B
What does chemical energy depend on?

9. What is the effort force?

10. B
If you have a IMA (ideal mechanical advantage) of 1 what does this mean?

11. What is the resistance force?

12. B
If you have a IMA (ideal mechanical advantage) of <1 what does this mean?

13. A
Why do we use machines?

14. B
If you have a IMA (ideal mechanical advantage) of >1 what does this mean?

15. A
What is a lever?

16. What can change in a 1st class lever? 2nd? 3rd?B
What can change in a 1st class lever? 2nd? 3rd?

17. A
What is a pulley?

18. The IMA of a pulley always equals the number of ___________

19. A
What is a wheel and axle?

20. B
What is the IMA of a movable pulley? Block and tackle pulley? Fixed pulley?

21. What is a inclined plane?

22. B
Does the ability to do work increase or decrease as it is converted from one form to another?

23. A
What is a wedge?

24. Does kinetic energy depend more on mass or velocity?B
Does kinetic energy depend more on mass or velocity?

25. A
What is a zipper?

26. B
Where will a boulder have more potential energy? At the top of a cliff or at the bottom of a cliff?

27. A
What is a screw?

28. B
True or False: in an ideal machine the work you put in always equals the work you get out

29. What is a compound machine?

30. B
Give an example of each of the following: Lever- Pulley- Wheel and axle- Screw- Wedge- Zipper- Inclined plane-

31. A
True or False: you can never get more work out of something than you put in.

32. B
Give an example of a compound machine and tell how it is a compound machine.