Question

How the value of g changes when you go on a mountain?

Answer 1

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$\underline{Changes}$

First, there is the variation of gravity with latitude that you alluded to: you weigh about 0.5% more at the poles than on the equator. ... Second, gravity does indeed change with altitude. The gravitational force above the Earth's surface is proportional to 1/R2, where R is your distance from the center of the Earth

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