Timeline for Why is kinetic energy not conserved during an inelastic collison?
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Apr 27, 2017 at 19:53 | comment | added | Michael Seifert | @LM26: You're assuming that the bodies are perfectly rigid. The problem is that bodies generally deform in a collision, and so different parts of the "composite body" you're envisioning will be moving at different speeds (and so move different distances in the same interval of time.) | |
Apr 27, 2017 at 19:23 | comment | added | LM26 | How can they not move the same distance during a collision , this is not matching up with my intuition , during the period over which they exert forces on each other , then both can be considered as one body , since the only time they exert forces on each other is if they are in physical contact ( interacting with one another ), then how can one body move two distances . Your math makes sense , it is just that I can't picture the situation . | |
Apr 27, 2017 at 14:51 | history | answered | Michael Seifert | CC BY-SA 3.0 |