PIRA 1J20.25 Stable, Unstable, and Neutral Equilibrium: Nine Nails
on One
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 7/24 - University of Texas at Austin Physics Dept. -
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