1K10.20 Big Slipping Ladder (Big Ladder Against a Wall)
Concepts
Torque, friction
Overview
A ladder leans against a wall on the verge of slipping. A person can climb the ladder almost up to the halfway point without falling over.
Details
Equipment
- [1] Ladder
- [1] Rope or twine
- [1] Pole
Classroom Assembly
- Tie up the ladder so the A-frame cannot open up.
- Lean the ladder against the wall.
Important Notes
- Do not go too close to the halfway point of the ladder. You could fall and hurt yourself.
Script
- Find the angle at which the ladder starts to slip.
- Climb, going up from the lowest rung. Use the pole for support in case you lose balance.
- Get off before you reach the middle of the ladder.
Additional Resources
References
- PIRA 1K10.20
Disclaimer
- Don't attempt this at home!
Last revised
- 2022
Technicals
Related AV
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If you have any questions about the demos or notes you would like to add to this page, contact Ricky Chu at ricky_chu AT sfu DOT ca.