rolling down rocky top
DESCRIPTION
D1 Team 3. Blake Hollis Jordan Livesay Kellen Catani Sean Yu. Rolling Down Rocky Top. Basics. What is it? Rube Goldberg device One input force = one task Inefficient and complicated. Bill of Materials. Concepts used Torque/ Rotational Motion Spring Force Potential/Kinetic Energy - PowerPoint PPT PresentationTRANSCRIPT
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ROLLING DOWN ROCKY TOP
Blake HollisJordan Livesay
Kellen CataniSean Yu
D1 Team 3
![Page 2: Rolling Down Rocky Top](https://reader035.vdocument.in/reader035/viewer/2022062410/56816280550346895dd2ebfc/html5/thumbnails/2.jpg)
Basics What is it?
Rube Goldberg device○ One input force = one task○ Inefficient and complicated
Bill of Materials
Concepts used Torque/ Rotational
Motion Spring Force Potential/Kinetic Energy Translational Energy
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Building Process Tools used
Circular sawPower DrillJigsawHammer/NailsTape Measurer
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Process Golf ball lies on top of a
board 0.2286 meters Trim piece connects to
the top and to the bottom with another board at a height of 0.0635m.
The golf ball will roll to the bottom of the trim piece with a velocity of 2.18m/sec. and strike a shaft (0.0635m) Shaft speed = 34.3 rad/sec
Second ball will hit a block Block speed = 1.01m/s
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Process (Cont.) Block falls over and
starts dominoesDominoes speed
= .54 m/s Dominoes trigger
mousetrap Mousetrap releases
paperclip which allows banner to unfurl.
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Calculations / Issues Issues
Absence of friction or losses of energy
Input force varies each time as well as direction of force
Ramps not sturdy○ Nailed ramp
Paperclip did not release○ Changed angle of
pull
22
'212211
'22
'112211
2
2/12/1
)(
/2/1
mvI
vmmvmvm
vmvmvmvm
rvmvmgh
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Summary After issues were
solved, device worked fairly efficiently
Fun creative use of common objects
Some issues could not be resolved but we found ways around them