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In the perfectly spherical earth hypothesis, being the center of mass in the black hole, wouldn't there be a resulting force towards the center, although very s
by merraksh 16y ago
In the perfectly spherical earth hypothesis, being the center of mass in the black hole, wouldn't there be a resulting force towards the center, although very small?
[EDIT] Hmm I think I see the point. The resulting force would be proportional to the ratio (black hole mass / earth's mass). Very small indeed.
- vecter 16y agoNo, that's irrelevant: http://hyperphysics.phy-astr.gsu.edu/hbase/mechanics/sphshell2.html http://hyperphysics.phy-astr.gsu.edu/hbase/mechanics/sphshel...
- ars 16y agoThat's for a hollow shell. For a solid sphere, there is always force toward the center. (And the closer to the center the lower the force, reaching 0 in the middle.)
- jules 16y agoNo, the force is EXACTLY zero, not just very small.