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The Rube Goldberg Cooler Opener: A Fun Engineering Challenge

In this project, we built a complex machine designed to accomplish a simple task: opening a cooler. Utilizing materials like dominoes, a ping pong ball, PVC piping, Mentos, and Diet Coke, we created a chain reaction that combines physics and creativity. The process begins with dominoes knocking over a ping pong ball, which triggers a sequence resulting in an explosive overflow of Diet Coke. This unique setup demonstrates principles such as energy conservation, projectile motion, and mechanical advantage, culminating in the cooler opening with a satisfying click.

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The Rube Goldberg Cooler Opener: A Fun Engineering Challenge

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Presentation Transcript

  1. Please Allow ET to Open Your Cooler Brandon Massengil Adam Ketron Matt Shearon Nick Vigder

  2. Introduction/Materials Our goal was to create a very complex machine that performs a very simple task, in this case, opening a cooler. • Dominoes • Ping Pong Ball • Paper • Nails • PVC Piping • Mentos • Diet Coke • String • Funnel • Cup • Baseball • Weights • Cooler • Duct Tape • Staples

  3. Overview/Description • Dominoes knock ping pong ball down. • Ping pong ball hits nail triggering mentos to roll • Mentos falls into Diet Coke, which overflows filling a cup through a funnel • Cup tips scale, which pulls a string that pulls a nail out of the PVC piping. • Golf ball falls down ramp, hits out peg releasing ET. • Ball flies approximately 11 feet across the room. • Ball knocks out boards with weight resting on top of them. Weight falls. • Cooler opens!

  4. Concepts Conservation of Energy/ Conservation of Rotational Energy Ping Pong Ball Mentos Golf Ball Projectile Motion Baseball toss (Trajectory Equation) Tension Release of the Golf Ball Pulley System of Cooler String Connecting Peg and ET Center of Mass Balancing The Cup Torque Firing ET/ Baseball Cooler Opening

  5. Key ConceptMentos in Diet Coke According to Mythbusters, The caffeine, potassium benzoate, aspartame, and the carbonation in Diet Coke react with gelatin and gum arabic in Mentosto create the “jet effect.”

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