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OpenStudy (anonymous):
In Lennard jones potential, why is there negative potential energy? Why is it not all positive?
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OpenStudy (doc.brown):
Forces are repelling.
OpenStudy (anonymous):
That's why its decreasing, but why is it negative?
OpenStudy (doc.brown):
Energy is required to move the particle out of the potential well. Energy has to be added to make the system equal zero.
OpenStudy (anonymous):
Nevermind, i got it! Thanks!
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