Earth's Rotation Speed: Would We Notice?

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Discussion Overview

The discussion revolves around the hypothetical scenario of Earth's rotation speed increasing and whether humans would notice such a change, particularly in terms of physical sensations and practical effects.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant suggests that a faster rotation would lead to shorter days, implying a noticeable change.
  • Another participant mentions practical implications, such as potential disruptions to satellite TV services.
  • A different viewpoint questions whether humans would physically feel the effects of increased rotation speed.
  • One participant notes that the current rotation causes a slight reduction in weight for individuals at the equator, suggesting that a significant increase in speed might be necessary for noticeable effects.
  • A later reply confirms the focus on whether physical sensations would be felt, clarifying the initial question.

Areas of Agreement / Disagreement

Participants express differing views on whether the effects of increased rotation speed would be noticeable, particularly in terms of physical sensations and practical consequences. The discussion remains unresolved regarding the extent of these effects.

Contextual Notes

Some assumptions about the degree of speed increase necessary for noticeable effects are not explicitly defined, and the discussion does not resolve the specifics of how much faster the Earth would need to rotate for humans to feel a difference.

epr2008
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If the Earth for some reason started rotating faster would we notice it? Would we experience any g forces?
 
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We would certainly notice it! The day would get shorter.
 
And your satelite TV wouldn't work.
 
I think he means would we feel it.
 
Depends how much it speeds up.
At the current length of day, somebody at the equator weighs about 0.25% less because of the Earth's spin - so you would have to be a particularly finicky anorexic to notice.
 
My bad, yes I meant would we feel it.
 

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