1. EF 151 Team Project Duct Tape & Dirt

2. The Crew Mike “the drunk” Poe Luke “McGyfer” Whitaker Drew “Sleepy” Randolph Nathan “Mac” Quinn

3. Device Design & Materials Materials: Plywood Scrap wood Nails & Screws Mousetrap Pulley Plastic Tubing Trash Duct Tape Twine Purpose: To activate a small push light while demonstrating physics principles.

4. Summary of Equations and Concepts Conservation of Energy Conservation of Energy ½ Ι ω i 2 + m g h i + ½ m v i 2 = ½ Ι ω f 2 + m g h f + ½ m v f 2 Rotational Momentum L1=L2 L1=L2 (R × P i ) + (I × ω i ) = (R × P f ) + (I × ω f ) Center Of Mass R =∑ m i r i ⁄ ∑ m i

5. Construction Issues Attaching tubing to board without impeding marble movement. Attaching tubing to board without impeding marble movement. Controlling the mouse trap after it was tripped. Controlling the mouse trap after it was tripped. Finding a cheap electronic device to activate. Finding a cheap electronic device to activate.

6. Conclusions