Quote:
Originally Posted by Bill Verburg
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g is the local acceleration caused by the local gravitational field, which for a planet varies w/ height and specifics to your location there are many causes for g to vary local mass concentrations contribute as well as the inertial spin forces which lower g at the equator of the Earth to 9.76 m/s2 and to 9.83 m/s2 at the poles...
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I get that people call out
centrifugal force as a
force, even though it is not a force. Yet it is handy to have that relative reference frame.
But what is this about
inertial spin at the equator changing the gravitational (or space-time) field?
Seems an asteroid pulled into a pole or the equator would 'see' the same planetary mass-induced acceleration.
No?