Question

how does the value of g change as one goes above the surface of the earth​

Answer 1

Solution :-

• 'g' value keeps on changing from place to place on earth.

It changes when the radius from the centre of the earth changes

It decreases if we go away from the Earth as F = Gm₁m₂/R²

                                      ...{Newton's law of Gravitation}

• Here 'F' is 'g'

So, g ∝ 1/r²

• They're in inverse proportion!

So, when the radius increases g value decreases.

Note :-

1. Earth is not an exact sphere.
2. So, there is radius variation from the North/South pole to the equator
3. This radius variation brought a change in the 'g' value!
4. 'g' value is more in north/south poles as the radius is less and less in the equatorial region as the radius is more!

Final answer :-

As per g ∝ 1/r², the g value decreases as one goes above the surface of the earth.

________________________________________________________

Thank you, please mark as Brainliest!

⇒ Anagh :)

Answer 2

Answer:

The gravitational constant, “G,” appears to be universal - as in, unchanging throughout the universe. It’s equal to 6.67408 × 10^-11 m^3 kg^-1 s-2. So if you’re referring to this physical constant, it remains exactly the same everywhere on Earth.

My guess, though, is that you’re referring to the force of gravity at different places on Earth, and this does change.The gravitational force at any location is a function of the amount of mass beneath you and the distance you are from that mass. For example, because the Earth is spinning on its axis it has a slight bulge at the equator - if you’re standing at sea level on the equator you’re a little further from the center of the Earth than if you’re standing at sea level at one of the poles. So you’ll weigh a little less if you’re at the equator. Similarly, if you dig into the Earth, you’re getting closer to the core (force increases) but you’ve got material on top of you and less mass beneath you (force drops) - you need to do some calculations to figure out which of these is more important.In addition, mountains put a lot of mass in a relatively small place - this causes gravitational anomalies as well. Geophysicists can map these to help to understand subsurface structures. Here’s a gravitational map of the Earth (top) and a smaller-scale map of the Chicxulub impact feature. Each color represents a slightly different gravitational force felt at the surface.