Homework Help: physics

Posted by Christie on Saturday, March 3, 2012 at 10:16pm.

Rank the average gravitational forces from greatest to least between:A. Sun and Mars.B. Sun and the Moon.C. Sun and Earth.

i answer b,c,a and its wrong

physics - drwls, Sunday, March 4, 2012 at 12:20pm
c is certainly bigger than b.

Between a and b, I'd have to compare M/R^2 for the moon and Mars, where R is the average distance to the sun. it might be close.
physics - DJ, Tuesday, October 30, 2012 at 10:55pm
The correct answer is C, A, B

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