1. IS Jeopardy
Work
Power
Energy
Misc
Potpourri
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
Final Jeopardy

2. Work -100
ANSWER: These are the units used to measure work and one of the equations for work.
QUESTION: What is Joules and W=Fd?

3. Work -200
ANSWER: A weightlifter applies a force of 45 N to a 90 kg weight and it doesn’t move. Calculate the work doen by the weightlifter on the weight.
QUESTION: What is 0 J?

4. Work -300
ANSWER: This is the equation that relates work to Kinetic energy
QUESTION: What W = KEfinal – KE initial?

5. Work -400
ANSWER: These make work easier to do by manipulating the equation.
QUESTION: What are simple machines?

6. Work -500 ANSWER: If the force is doubled, the work is _______________
QUESTION: What is doubled?

7. Power - 100 ANSWER: These are the units used to measure power.
QUESTION: What are watts?

8. Power -200
ANSWER: If 40 J of work are done in 4 seconds, how much power was produced?
QUESTION: What is 10 Watts?

9. Power -300
ANSWER: If I can carry four textbooks upstairs in 1 minute and you can do the same in 35 seconds,
you do more work on the books than I do.
you have more power than I.
both a and b
none of the above
QUESTION: What is b?

10. Power -400
ANSWER: A 12 kg Buddha statue is lifted to a 3 m high shelf in 6 seconds. This is the amount of power output.
QUESTION: What is 60 Watts?

11. Power -500
ANSWER: A 5 kg rock is lifted 2 meters in 5 seconds. Calculate the power used to lift the rock.
QUESTION: What is 2 Watts?

12. Energy -100 ANSWER: This is the equation for Kinetic energy.
QUESTION: What is ½ mv^2?

13. Energy -200
ANSWER: A ball is thrown upward with an initial velocity of 3 m/s. At what point does the ball have the greatest amount of potential energy?
QUESTION: What is at the top of the arc?

14. Energy -300
ANSWER: Two divers of the same mass are standing on the 10 m and 3 m boards respectively. This is the kind of energy they have and who has more of it.
QUESTION: What is potential energy (gravitational) and the higher diver?

15. Energy -400
ANSWER: As you ride on Nitro (the rollercoaster at Great Adventure),
A) your potential energy is transformed into kinetic energy as you fall
B) your kinetic energy is transformed into potential energy as you rise
C) at the lowest part of the coaster, your kinetic energy is at a maximum.
D) at the highest point of the coaster, your potential energy is at a maximum.
E) all of the above
QUESTION: What is E?

16. Energy -500
ANSWER: Suppose a moving car has 4000 J of kinetic energy. If the car’s speed doubles, how much kinetic energy would it then have?
QUESTION: What is Joules?

17. Misc -100 ANSWER: What does the law of conservation of energy state?
QUESTION: TE = KE + PE?

18. Misc -200 ANSWER: This is how an inclined plane makes work “easier”
QUESTION: What is by increasing the distance and therefore decreasing the force?

19. Misc -300
ANSWER: A machine that is made of two or more simple machines is called this.
QUESTION: What is a compound machine?

20. Misc -400
ANSWER: This man is known for his cartoons of complicated machines to do a simple task
QUESTION: Who is Rube Goldberg?

21. Misc -500 ANSWER: These are the six types of simple machines
QUESTION: What are lever, pulley, inclined plane, wedge, screw and wheel and axle?

22. Potpourri -100 ANSWER: Name a vector and a scalar quantity.
QUESTION: What is ?

23. Potpourri -200
ANSWER: Without air resistance, would a feather or a rock land first if they are both dropped from the same height? WHY?
QUESTION: They would both land at the same time because the acceleration due to gravity is constant.

24. Potpourri -300
ANSWER: When this happens total mechanical energy does not remain constant.
QUESTION: What is friction?

25. Potpourri -400
ANSWER: This is the efficiency of a machine that needs 100 J to lift a box that weighs 20 N five meters straight up.
QUESTION: What is 100%?

26. Potpourri -500
ANSWER: Besides the Big Bang theory, these are the two less supported theories about the origin of the universe.
QUESTION: The steady state theory and the pulsating theory.

27. FINAL JEOPARDY
ANSWER: Calculate the speed of a roller coaster at the bottom of a hill using the following information:
The mass of the roller coaster is 2000kg
The potential energy at the top is 10,000J
QUESTION: What is 3.16 m/s