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The Band Should Slip Off But It Does The Opposite!
A video on YouTube. In Science & Engineering, a Krater category.
Watch on YouTubeSummary by Krater
This video examines why a crowned pulley prevents a rubber band from slipping off, explaining the physics of tension and stretching.
From the video
Answers: Why doesn't a rubber band slip off a crowned pulley?
- crowned pulley mechanics
- belt drive friction
- rubber band elasticity
- entropy in physical systems
What it concludes
- As a rubber band slips down the crowned pulley, it gets shorter and more energetically favorable, causing it to move back toward the middle.
- A rubber band stretches and pulls back due to an entropic force arising from molecular jiggle.
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