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Axioms

Axioms

Posted Feb 24, 2021 0:23 UTC (Wed) by Wol (subscriber, #4433)
In reply to: Axioms by rschroev
Parent article: An introduction to lockless algorithms

Are you confusing g and G, or am I?

I think the equation is G=g.m1.m2/d^2

G is 9.8m/s^2, while g is the gravitational constant, which is believed to be the same everywhere in the universe.

Cheers,
Wol

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Axioms

Posted Feb 24, 2021 0:47 UTC (Wed) by rschroev (subscriber, #4164) [Link]

G is the gravitational constant (or indeed the universal gravitational constant), approximately 6.674×10^−11 m³/(kg⋅s²).
g is the gravity of earth, approximately 9.81 m/s².
The equation is F = G⋅m1⋅m2/r². In case of Earth, that's F = G⋅m⋅m_earth/r_earth², with g = G⋅m_earth/r_earth². So in that case we get F = m⋅g.


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