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How Do Bikes Stay Up?

minutephysics · explainer · Watch on YouTube

Everyday physics & science demosFundamental physics

What it is

A short minutephysics video explaining why bicycles stay upright. It looks at gyroscopic precession, head angle and centre of mass, and shows that bikes self-steer toward the direction they lean.

Why Hacker News recommends it

HN people link it as a quick, clear answer to the question of bicycle stability, including in threads on bike mathematics.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2016, last 2024

What HN commenters said

  1. “Apologies for repeating myself, but watch”

    Shows bikes are stable on rough terrain

    Someone, 2016-07 · Recommendation · in “Fresh work on the mathematics of bicycles in motion”

  2. “minutephysics had a great video about this too”

    Explains why bicycles stay up

    ramanan, 2016-11 · Recommendation · in “The stability of the bicycle (2006)”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: bicycles, gyroscopic effect, self-stabilization, physics, steering

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