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March 30, 2015

March 30, 2015

Posted by **kelsey** on Friday, October 31, 2008 at 12:02am.

a.) What is size of the the gravitational force:

on A from B? N

on B from A? N

b.) What is the size of the gravitational force:

on A from the Earth? N

on B from the Earth? N

once again, i am using the wrong equation! please help...

- physics help 2 please!! -
**bobpursley**, Friday, October 31, 2008 at 5:52amGravityForce=G*MA*MB/distance^2

- physics help 2 please!! -
**drwls**, Friday, October 31, 2008 at 6:17amTo do part b, you will need the radius of the Earth, not the distance between A and B. OR you can just multiply the mass (A or B) by g.

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