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Energy Conversion
Team Project 4:EF 151
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Group Members:
• Axl Rose• Frank Ferrer• Ron Thal• Dizzy Reed• Robin Finck
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• Purpose: To use energy conversions to light up a “pine branch” (a small one) in celebration of the upcoming holiday.
• This device uses elastic potential energy, gravitational potential energy, and kinetic energy in order to flip the switch on the battery pack and light up the tree.
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Step 1: Elastic Potential Energy
• This step uses a rubber-band shooter to launch a marble through the tube of the launcher itself.
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Step 2: Gravitational Potential Energy
• This step uses the ball launched in the last step to knock over a wooden block, thus causing rollerblade wheel (attached to a horizontal pole by a string) to fall and swing the circumference of the circle.
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Step 3: Elastic Potential Energy
• This step uses the motion of the wheel in the previous step to knock loose a wooden stick, therefore allowing the elastic energy of a rubber-band to turn a fan.
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Step 4:Gravitational Potential Energy
• In this step, the turning fan from the last step pushes one side of a “seesaw” with a car balanced on it, causing the car to roll down the newly created incline.
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Step 5: Kinetic Energy
• The car from the last step then rides down the ramp and hits the pad on a mousetrap, activating the trap.
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Step 6: Elastic Potential Energy
• In this step, the mousetrap’s springs activate and cause the bar, which has a wire attached to it, to flip over and touch the base, with another wire attached to it, causing the wires to touch each other.
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Step 7: The FINALE!!
• The wires then touch, turning on the light, thus lighting up our branch.
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DEMONSTRATION
• We will now demonstrate “The Self-Lighting Christmas Tree” for you!!!!
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Energy Conversions• Step 1: Elastic Potential Kinetic
to• Step 2: Gravitational Potential
Kineticto
• Step 3: Elastic Potential Kineticto
• Step 4: Gravitational Potential Kinetic
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Energy Conversions (cont’d)
• Step 5:Kinetic Energy Elastic Potential
to • Step 6: Elastic Potential
Gravitational Potential
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Conclusions
• Our project works, okay, but with more time it could be much more efficient.