The discussion centers on the justification of the shell theorem using Gauss's Law. It establishes that as an object descends beneath the Earth's surface, only the mass located beneath it contributes to gravitational force, while the mass above exerts no influence. This principle, rooted in Newton's work, is effectively demonstrated through Gauss's Law, which states that the gravitational field inside a spherical shell is zero. Thus, the gravitational effects can be analyzed solely based on the mass contained within a Gaussian sphere.
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Negi Magi said:"As the ball gets deeper under the surface of the Earth, the layers above it stop exerting gravitational force, and all that matters is the mass underneath."
How to justify this sentence is true?