Air Quote by Isaac Newton
“A cylinder of air reaching to the top of the atmosphere is of equal weight with a cylinder of water about 33 feet high.”
About This Quote
Source Book: Principia Mathematica, 1687
A column of air extending to the atmosphere’s top weighs the same as a 33‑foot water column, illustrating pressure balance.
In simple terms: Air and water columns have equal weight at those heights.
Key Takeaway
Recognize how pressure varies with height.
Themes
physics
atmosphere
pressure
balance
Mood
analytical
curious
Type
scientific
educational
When to use this quote
- meteorology
- engineering
- education
Key Concepts
hydrostatics
fluid dynamics
Questions to Reflect On
- How does temperature change this balance?
- What practical uses does this principle have?
A Different Perspective
Only applies under standard conditions; temperature affects density.
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