 Quote by HallsofIvy
Only charged bodies attract or repel each other. If one only one of bodies is charged, there will be no electro-magnetic force between them and so gravity will be the only relevant force.
Now when you say "move both bodies for a distance(c)", in which direction" Away from each other? Toward each other? Parallel to each other?
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all you are taking this question in anther way. my confusion is not by any em force or by gravitation force but it is that if i pull or push the bodies individually then for which body i would have to done more work against the resistance of body?