Stephen A. Lawrence wrote:
Harry Veeder wrote:
Consider the situation far from any planets or stars.
If the ball-bearing is initially at the centre of the shell it will remain
there. If it is initially off centre, the ball bearing and the shell will
move so as to minimize the distance
Will a sphere within a sphere (a ball-bearing in a transparent hollow sphere)
due to the gravitational attraction between them, center itself during free
fall?
http://en.wikipedia.org/wiki/Le_Sage%27s_theory_of_gravitation
http://en.wikipedia.org/wiki/Introduction_to_general_relativity
Or?
Frederick Sparber wrote:
Will a sphere within a sphere (a ball-bearing in a transparent hollow
sphere)
due to the gravitational attraction between them, center itself during
free fall?
First, in Newtonian gravitation:
Inside a uniform spherical shell there's no gravitational field (no
From the link Frederick Sparber provided on LeSage's theory of gravity:
http://en.wikipedia.org/wiki/Le_Sage%27s_theory_of_gravitation
In the context of mainstream science (albeit not as an explanation of
gravitation), the Lesage mechanism has been identified as a significant
factor in the
Consider the situation far from any planets or stars.
If the ball-bearing is initially at the centre of the shell it will remain
there. If it is initially off centre, the ball bearing and the shell will
move so as to minimize the distance between the point on the shell that was
initially
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