Suppose that Earth were moved to a distance of 2 AU from the Sun. How much...
Suppose that Earth were moved to a distance of 2 AU from the Sun. How much stronger or weaker would the Sun's gravitational pull be on the Earth? Explain.
Homework Answers
Solution :
The gravitation pull between two bodies is given by
F = GMm/(R^2)
Where G be the gravitational Constant,
Let Ms be the mass of the Sun, Me be the mass of the earth and R be the distance between sun and earth.
then, F = G*Ms*Me/(R^2)
Distance between earth and sun is 1 AU, if it is increased to 2 AU,
then F will be redued four times.
Thus if earth were moved to 2 AU from the sun, the sun's gravitational pull be waeker 4 times.
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