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Jul 29, 2020 at 8:31 comment added Toffomat Well, I would certainly attribute the heating of an inelastically deformed solid to "internal friction", but I guess we can leave it at that.
Jul 29, 2020 at 0:40 comment added Jeffrey J Weimer @Toffomat Words and their definitions absolutely matter. Friction is NOT a generic substitution for "the process that transforms kinetic energy into internal energy." Friction is the resistance between two surfaces that rub against each other. That is it.
Jul 28, 2020 at 17:00 vote accept Sudipto Sarker
Jul 28, 2020 at 16:59 vote accept Sudipto Sarker
Jul 28, 2020 at 16:59
Jul 28, 2020 at 12:24 comment added Toffomat I guess it's more about words than content, but I'd call the processes that transform kinetic into internal energy "friction". Also, friction doesn#t really casue heat loss, but rather loss of kinetic energy to heat.
Jul 27, 2020 at 23:23 comment added Jeffrey J Weimer @Toffomat Done. Friction is not required as a defining way to explain the inelastic collision between two bodies.
Jul 27, 2020 at 23:22 history edited Jeffrey J Weimer CC BY-SA 4.0
added note about friction
Jul 27, 2020 at 12:57 comment added Toffomat Maybe one can stress that there indeed is friction in an inelastic collision, contrary to what's claimed in the question: The friction is internal to the deforming bodies of fluids, and dissipated the kinetic energy into heat.
Jul 27, 2020 at 12:17 history answered Jeffrey J Weimer CC BY-SA 4.0