Question

What is the variation in acceleration due to gravity with altitude?

Answer 1

Variation in acceleration due to gravity due to altitude is given by,

g_h = `g(R/(R + h))^2`

where,

g_h = acceleration due to gravity of an object placed at h altitude

g = acceleration due to gravity on the surface of the Earth

R = radius of the Earth

h = altitude height of the object from the surface of the Earth.

Hence, acceleration due to gravity decreases with an increase in altitude.