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Engineering Fundamentals 151

Engineering Fundamentals 151. Rube Goldberg Design Ryan Hodges Tom Singleton Travis Vaughn Michael Ewing. Schlooders Mcgoovers. Materials. 1” PVC pipe Three 45 g steel balls, One 67 g steel ball Funnel Plastic cup, Bottom of Plastic Bottel 2 pulleys and string Wood Mousetrap

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Engineering Fundamentals 151

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  1. Engineering Fundamentals 151 Rube Goldberg Design Ryan Hodges Tom Singleton Travis Vaughn Michael Ewing

  2. SchloodersMcgoovers

  3. Materials • 1” PVC pipe • Three 45 g steel balls, One 67 g steel ball • Funnel • Plastic cup, Bottom of Plastic Bottel • 2 pulleys and string • Wood • Mousetrap • Dominos • Ipod and speaker

  4. Step One Conservation Of Energy ½ mv2 + mgh = ½ mv22 + mgh2 Mass – 45 g PVC pipe

  5. Step Two Projectile Motion y – yo = (x – x0) tanϴ- 2/gvo2 (1 + tan2ϴ)(x – x0)2 Torque τ= r x F Plastic Cup, Funnel, Pulley with string

  6. Step Three Center Of Mass M1R1 + M2R2…MnRn…….M1+ M2 ... Mn 67 g piece of wood One 67 g steel ball One 45 g steel ball

  7. Step Four Torque τ= r x F Conservation of energy ½ mv2 + mgh = ½ mv22 + mgh2 Bottom of plastic bottle, pulley, PVC pipe

  8. Step Five Elastic Collisions M1V1 + M2V2 = M1V1’ + M2V2’ V1 – V2 = -(V1’ – V2’) Dominos

  9. Step Six Force of Mousetrap Hooke’s Law F = kx Unplugs Ipod turning off song

  10. THANK YOU

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