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OpenStudy (anonymous):
how does friction work at a microscopic or atomic level
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OpenStudy (anonymous):
At the nanoscale level friction is caused by Van der Waal force interaction whereby atomic dipoles are attracted/repelled to each other. Friction may also be caused by static charges or an electro/magnetic field (if present) depending on the material.
OpenStudy (anonymous):
at atomic level it is not exactly the friction that opposes the motion but the electrostatic force that opposes the motion.
OpenStudy (anonymous):
what causes infrared photons to be released
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