Transcript The Party Picker-Upper - University of Tennessee

The Party Picker-Upper
Design Overview
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Dimensions: 47.5 cm x 50 cm x 100 cm
Composition:
141 in of 2 x 4
574 sq in of plywood
24 metal screws
7 beer bottles
4 mason jars
4 nails
4 plastic bags
3.5 m of string
2 masonry cutting discs
2 mouse trap
1.2 in of duct tape
1 16 mm bolt
1 16 mm nut
1 bottle cap
2/3 of a popsicle stick
1/2 of a Hot Wheels play set
0.590 kg of rocks
Energies Involved
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mgh -> .5kΔx² -> mgh -> .5kΔx² -> mgh
= mechanical energy
1st the car on the ramp
2nd the springing of the first trap
3rd the falling of bottles
4th the springing of the second trap
5th the fall of the weights
Finally, the displacement of 1kg
Set Backs
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Deriving how to orientate each bottle to
create a flawless result.
Deciding the weight of the key stone of the
elevator pulley in order to pull the weight
in 10 seconds.
Determining how to make the
key stone fall.
Conclusions
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Despite the mental strains caused from
various set backs, watching the machine
work once was worth all the effort.
Beer bottles can still cause a lot of
headaches despite being empty for
many days.