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Applying NLM along 3 Axis

A body weighs...

Question

A body weighs 98N on a spring balance at the north pole . What will be its weight recorded on the same scale if it shifted to the equator? Use GM/R^2 = 9.8 m/s and the radius of the earth is R=6400km

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Solution

Dear Student
$g a t p o l e = 9.8 g m^{- 2} M a s s = F / g = 98 / 9.8 = 10 K g W e i g h t a t e q u a t o r = 10 \times 9.78 = 97.8 N R e g a r d s$

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