EF 151 Final Team Project Rube Goldberg Devices “The Obstacle Course” Troy Holcomb Myles Smith Chris Wheeler Mathew Bird

Step 1 First something or someone presses the pad which then leans the car forward and then makes it roll down the track.

Step 2 Now the car will hit the first block and tip it over hitting the next block and the next block with a thumb tack on it.

Step 3 After the last block with the thumb tack falls it will hit a balloon which is holding a propeller.

Step 4 After the balloon is popped, the propeller will begin to spin raising the flag. GO VOLS!

Step 5 As the propeller spins, it releases a marble which lands on a balanced catapult then launches a small Lego man into the air.

CALCULATIONSCALCULATIONS StageMass (car)Potential Energy (car) Kinetic Energy (car) Final Velocity (car) Height (car) Stage 1.3 kg6.728 J m/s2.286 m Mass (blocks)Velocity After Impact (block 1) Stage 2.6 kg3.35 m/s Speed of the Propeller Distance Traveled by the Propeller Stage 33 rev./sec. for about 1 sec. or rad./sec rads. Mass (marble)Potential Energy (marble) Kinetic Energy (marble) before Impact Final Velocity (marble) Before Impact Height (marble) Stage 4.3 kg J J 1.46 m/s m Mass (Lego man) Angle of Trajectory Launch Velocity Distance Traveled Stage 5.15 kg3.61 Degrees1.46 m/s.0508 m