[tex]E = \int \frac{Gm_1m_2}{r^2} dr = - \frac{Gm_1m_2}{r}[/tex](adsbygoogle = window.adsbygoogle || []).push({});

The answer is there, but how do you get that (especially how do you get the negative sign)? Also, why exactly does taking the integral with respect to the distance of force give you energy?

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# Can someone please tell me how you solve this intergal?

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