This is an excerpt from "Introduction to Mechanics" by Kleppner and Kolenkow:
"The reason why gravitational force vanishes inside a spherical shell can be seen by a simple argument due to Newton. Consider the two small mass elements marked out by a conical surface with its apex at ##m##.
The...
Newton's argument, gravitational force inside a sphere
Newton's argument, gravitational force inside a sphere
"The reason why gravitational force vanishes inside a spherical shell can be seen by a simple argument due to Newton. Consider the two small mass elements marked out by a conical surface with its apex at ##m##.
The...
Newton's argument, gravitational force inside a sphere
Newton's argument, gravitational force inside a sphere
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