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Jeopardy PE or KE? Balanced and Unbalanced Forces Graphs Pulleys and Inclined Planes Potpourri Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy

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$100 Question The energy of motion?

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$100 Answer from H1 Kinetic Energy

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$200 Question from H1 Energy stored due to its position or shape?

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$200 Answer from H1 Potential Energy

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$300 Question from H1 2 Where does the ball have the greatest potential energy? 1 3

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$300 Answer from H1 At point 2

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$400 Question from H1 Where on the Texas Giant would you have the greatest kinetic energy? x y

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$400 Answer from H1 At point Y

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$500 Question from H1 Swinging a golf club uses what type of energy?

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$500 Answer from H1 Kinetic Energy

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$100 Question from H2 Equal forces that cancel each other. No movement

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$100 Answer from H2 Balanced Forces

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$200 Question from H2 In which direction will the box move?

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$200 Answer from H2 To the right

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$300 Question from H2 In which direction did the parachute pictured below apply a pulling force on the car? A. B.

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$300 Answer from H2 A.

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$400 Question from H2 If you are playing football and you push against the player across from you, but neither you nor the other player moves when force is applied, what do you know about the forces in this situation?

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$400 Answer from H2 The forces are balanced

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$500 Question from H2 Describe the motion of the soccer ball in the diagram below.

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$500 Answer from H2 The object has no motion because the forces are balanced.

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$100 Question from H3 The graph above shows the motion of Lance Armstrong the cyclist. Using data from the graph, a student predicts (through projection) that at 6 seconds he will have traveled a distance of _____.

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$100 Answer from H3 60 meters

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$200 Question from H3 Your Text Here Using the graph above, what best explains the motion between points B and C?

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$200 Answer from H3 The car has stopped

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$300 Question from H3 Your Text Here Speed Using the graph above, what best explains the motion between points L and M?

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$300 Answer from H3 The cars speed is increasing or accelerating.

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$400 Question from H3 Your Text Here What is the average speed for the 8 second trip? Distance (meters)

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$400 Answer from H3 S= D/T 5 meters per second

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$500 Question from H3 The graph above shows what kind of speed?

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$500 Answer from H3 Constant Speed

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$100 Question from H4 Single fixed pulleys only change ____________________.

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$100 Answer from H4 The direction of the input force. You get to pull down instead lifting up.

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$200 Question from H4 True or False The more wheels and ropes on a pulley the better the pulley system.

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$200 Answer from H4 True

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$300 Question from H4 Your Text Here Which inclined plane would allow you to use the least amount of force?

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$300 Answer from H4 Ramp B – It has the least amount of slope which requires you to use less force.

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$400 Question from H4 True or False: A double pulley can change the weight of an object being lifted

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$400 Answer from H4 False: A double pulley only reduces the force needed to lift the object. The object still weighs the same.

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$500 Question from H4 Double pulleys change 2 things. Name them.

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$500 Answer from H4 1.Double pulleys change the direction of the input force. You get to pull down 2. Double pulleys reduce the force by half. The objects weight feels half as much.

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$100 Question from H5 Distance vs. Time What is the distance the object traveled between 10 to 15 seconds?

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$100 Answer from H5 50 Meters

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$200 Question from H5 A woman jogs for 3.0 hours and travels 18.0 km. What is the average speed of the woman?

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$200 Answer from H5 6 km/h

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$300 Question from H5 What is the average speed of a motorcycle that travels 300 miles in 2 hours?

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$300 Answer from H5 150 mph (miles per hour)

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$400 Question from H5 Substances that have dull luster, poor conductors, and shatter easily when hammered are _________. a.Metals b.Non metals c.Metalloids d.gases

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$400 Answer from H5 Non metals

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$500 Question from H5 An object with a density less than 1g/ml will _________ in water.

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$500 Answer from H5 Float Less than=

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Final Jeopardy Mass of the football (g) Force of the kick (N) Distance the ball traveled (yards) ? The graph above shows a kicker using different amounts of force to kick a football. How far will the football go if it is kicked with a force of 80 N?

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Final Jeopardy Answer 70 yards

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