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Rube Goldberg Device Group 4

Rube Goldberg Device Group 4. Jac Parks, Ben Fredericks Shane Nixon, Wesley Ward. Design Considerations Encompassing course concepts while staying simplistic. 1 min set up time, 2 min run time Interfacing with Group 3 and 5. Design Concepts Translational Energy

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Rube Goldberg Device Group 4

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  1. Rube Goldberg Device Group 4 Jac Parks, Ben Fredericks Shane Nixon, Wesley Ward

  2. Design Considerations Encompassing course concepts while staying simplistic. 1 min set up time, 2 min run time Interfacing with Group 3 and 5 Design Concepts Translational Energy Conservation of energy and momentum Center of mass Torque Projectile motion Design Overview

  3. Operation Summary • Marble 1 is set in motion by group 3 and traverses 2 inclined tracks • Marble 1 moves down funnel triggering seesaw and motion of marble 2 • Marble 2 accelerates down projectile ramp triggering mouse trap • Mouse trap springs and releases banner • Banner triggers group 5 device

  4. Calculations • Conservation of Energy- (Ball rolling)- 1/2mv2+mgh+1/2I2+Win=1/2mv2+mgh+1/2I2+Eloss • Conservation of momentum-(Seesaw collision with Marble 2)- m1v1+m2v2=m1v’1+m2v’2 • Torque-(motion of mousetrap pulling string)-IrI x IFIsin • Center of mass-(seesaw)- mici / mi • Projectile motion-(Marble 2 launched over gap)- x2=x1+voxt y2=y1+voyt+1/2at2

  5. Design/Construction Issues • Having to collaborate and fully understand the two other teams projects so that each project triggers the next. • Making it easy enough to set up in 1 minute. • Incorporating so many of the concepts we learned this year into one project that works seamlessly. • Aligning everything to make sure the balls will fully complete their courses.

  6. Conclusion • This experiment was a fun, visual way to see everything we have learned in this class put into use. • The Rube Goldberg experiment shows us how many concepts will have to be integrated together in order to engineer a working system.

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