What is the formula for the value of acceleration due to gravity at depth d from the surface of the earth ??

Answers (1)

 The value of acceleration due to gravity at depth d from the surface of the earth ( or at a general distance r=(R-d) from earth centre) is given by

g'=g\left [ 1-\frac{d}{R} \right ]

Where 

g=Value of acceleration due to gravity  at the surface of the earth

R= radius of the earth

 

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