Hi. This is my first post here. In one of our science groups in Facebook, a member is asking about a case where r=0 in Newton's Equation F=G(Mm/r^2)(adsbygoogle = window.adsbygoogle || []).push({});

The best i could do was to state that there cannot be two point masses with a distance r=0 between them. He seems to accept my explanation but his intuition that it should be 'infinity' still remains. I would like to explain it better. Can you please help?

I have searched the site but could not find the answer. If there is already a thread, I would be glad if you could point me towards it.

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# How to explain there cannot be a case where r=0 in F=G(Mm/r^2)

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