Question

What happens to the gravitational force between the earth and the sun when the Earth moves from A to B?

Answer 1

Explanation:

The radius of Earth orbit when farther from Sun is (1+0.01671)/(1-0.01671) = 1.03399 times the radius when closer to the Sun.

This means that the magnitude of gravitational force varies (1.03399)^2 = 1.069.

Thus that magnitude varies 6.9 percent, assuming that A is perihelion and B is aphelion.

Answer 2

Answer:

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