Say you have to equal charges q1 and q2 and a distance r between them. We know from electrostatics that the force exerted by one charge on the other is inversely proportional to the square of the distance between them.(adsbygoogle = window.adsbygoogle || []).push({});

If you place a massive object at the middle of the segment connecting the two charges, General Relativity tells us that space-time curves.

The question is, if space-time curves, isn't r modified, and so the force between the charges?

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# Relativity and Electrostatics

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