Why Earth's rotation affects Gravity?

Описание: Why Earth's rotation affects Gravity?


Acceleration due to gravity changes with latitude due to rotation of earth.
g has maximum value at poles and minimum at equator.
Due to rotation of earth centrifugal force comes into play and reduces earth's gravity.
Geosynchronous satellite.
A geosynchronous satellite is a satellite in geosynchronous orbit, with an orbital period the same as the Earth's rotation period. Such a satellite returns to the same position in the sky after each sidereal day, and over the course of a day traces out a path in the sky that is typically some form of analemma. A special case of geosynchronous satellite is the geostationary satellite, which has a geostationary orbit – a circular geosynchronous orbit directly above the Earth's equator.













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