According to the Nebular Hypothesis mechanism described, what force caused the rotating, flattened nebula to shed rings of material at its equator?

Answer

Centrifugal force

The mechanism detailed by Laplace involved centrifugal force causing the successive shedding of rings as the central mass contracted due to increased rotation from the conservation of angular momentum.

According to the Nebular Hypothesis mechanism described, what force caused the rotating, flattened nebula to shed rings of material at its equator?
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