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Torque was found by using The Conservation of Translational Energy (assumed frictionless transition) was found with,, Projectile/Freefall Motion was found using Conservation of Kinetic and Gravitational Energy equations:,, Conservation of Momentum was found by solving simultaneous equations:,,
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The GAMM 4.0
Gabrielle Sobel, Andrea Gingrich,Morgan McCann, & Marlene Woodings
Step 1: Torque◦ Created from force of hand and radius of ruler
Step 2: Conservation of Translational Energy◦ Ball bearing rolls down pipe
Step 3: Projectile Motion◦ Ball bearing is shot into funnel
Step 4: Collision◦ Car and ball collide
Step 5: Mousetrap◦ Snaps and pulls cover sheet to display banner
Design Overview
Torque was found by using The Conservation of Translational Energy
(assumed frictionless transition) was found with , ,
Projectile/Freefall Motion was found using Conservation of Kinetic and Gravitational Energy equations: ,
, Conservation of Momentum was found by
solving simultaneous equations: , ,
Calculation OverviewrF
fi PP
)()()()( carfballfcariballi vmvmvmvm )()(
)()(
ballicari
ballfcarf
vvvv
e
fi EE ffinalgg KE )( 25.0 ffi mvmghmgh
ffinalgig KEKE )( 22 5.05.0 ffii mvmghmvmgh
fi EE
Trouble machining because of small pieces◦ Unable to use clamps
Ball bearing placement in pipe◦ Sometimes shot out of funnel◦ Solved by moving ball further down pipe
Balancing pipe on pedestal◦ Used tension in rubber bands to allow pipe to
pivot while secure Excess friction between car and wood
◦ Solved by placing scotch tape on wood
Technical Problems
Small design is more cost efficient Device is compact and allows less room for
error in calculations Importance in communicating with peers
Conclusions