1J20.25 • Stable, Unstable, and Neutral Equilibrium: Nine Nails on One
Location: Cabinet 1
Photo shows the demonstration used at the University of Texas at Austin.
Instructions / Notes:
- 20 large nails are stacked so they balance on the head of single nail.
- Nine nails are hanging on each side, and two nails are horizontal, holding them in place.
Last updated on February 24, 2025