How Does Newton's Shell Theorem Affect Gravitational Force on Earth?

[adp5025]

hello all,
I was looking for the equation for the shell therom.
general expression for the magnitude of the gravitational force

but the one were the one sphear is inside the other, such as a person on the earth.

 

[Andrew Mason]

hello all,
I was looking for the equation for the shell therom.
general expression for the magnitude of the gravitational force

but the one were the one sphear is inside the other, such as a person on the earth.

Have a look at http://www.kineticbooks.com/physics/trialpse/13_Gravity%20and%20Orbits/06/sp.html" .

AM