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The acceleration of gravity ... on or near the Earth, for example ... is inversely

proportional to the square of the distance from the center of the Earth. So it

diminishes as you rise from the surface.

When you have ascended to an altitude of one Earth radius ... about 4,000 miles ...

your distance from the center is then two Earth radii, so the acceleration of gravity has

shrunk to 1/4 of its value on the surface.

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Q: How does acceleration due to gravity changes with altitude?
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What force that can change when acceleration due to gravity changes?

I suppose you are asking about what forces change when acceleration due to gravity changes. In this case, the formula for forces concerning acceleration due to gravity is as such: fg=mg. When acceleration due to gravity(g) changes, it affects the force of gravity which is also known as the weight of the object. This is shown as fg.


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