Factor contributes to variation of gravity along latitude is:(adsbygoogle = window.adsbygoogle || []).push({});

1. shape of the earth

2. rotation of the earth

gravitational field strength is resolved into two components, (R cos[tex]\theta[/tex])[tex]\omega[/tex] square, and g'

at the poles,[tex]\theta[/tex] =90 degree, therefore, g' = g which is 9.81

at the equator [tex]\theta[/tex]=0, therefore, g' = g- R omega square

what I couldn't understand is that why the components of g are not perpendicular to each other.

can we resolve a force into components which are not perpendicular to each other ?

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# Variation of gravity along latitude

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