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Engineering Final Team Project

Engineering Final Team Project. Drew Jones, Rob Hellmann, Corey Woodward, Verity Yata. The Bruce Pearl Machine. Our Rube-Goldberg contraption uses a series of actions to complete a ball flying through a basketball hoop. First a weighted club is released and collides with a golf ball

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Engineering Final Team Project

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  1. Engineering Final Team Project Drew Jones, Rob Hellmann, Corey Woodward, Verity Yata

  2. The Bruce Pearl Machine • Our Rube-Goldberg contraption uses a series of actions to complete a ball flying through a basketball hoop

  3. First a weighted club is released and collides with a golf ball • Next, the golf ball rolls along the box and hits the tennis ball. • Then, the tennis ball rolls off the box and hits the spoon • Finally, the spoon launches the nerf ball through the hoop.

  4. Calculations • Potential Energy of the club using mgh=1/2mv² • Impulse from the collision between the club and the golf ball using vgb=(mcvc)/mgb • Impulse from the collision between the golf ball and the tennis ball using vtb=(mgbvgb)/mtb • Velocity of the tennis ball when it hits the spoon using mgh=1/2mv2 • Velocity of release of the nerf ball using projectile motion

  5. Calculations • Velocity of club when it hits the ball • V=1.638 ft/s • Velocity of golf ball after club hits it • V=14.56 ft/s • Velocity of tennis ball after golf ball hits it • V=10.92 ft/s • Velocity of tennis ball when it falls off the block • V=5.433 ft/s • Velocity of release of nerf ball • V=1.30 ft/s

  6. Masses • Weighted stick: 400 grams • Tennis ball: 60 grams • Nerf ball: 5 grams • Spoon: 5 grams • Golf ball:45 grams

  7. Approximate costs • Swinging mass and structure with duct tape- $8 • Nerf ball and basketball goal- $5 • Two boxes- $1 • Golf ball- $1 • Tennis ball- $1 • Spoon- $1 • Violet block (fulcrum)- $1 • Total Costs- $18

  8. The End

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