Reference no: EM131290668

Discussion Topic:

Planets move around the sun in the elliptic orbits (roughly: circular), under the influence of the gravitational force between the planet and the sun. Because planets move in the uniform motion approximately, the gravitational force must be counterbalanced by another force. What force is that? Insert formulae along with interpretations for the two forces to your answer. Introduce your opinion on: "why the orbits are elliptical (circular)?"

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