The coefficient of restitution

AI Thread Summary
The coefficient of restitution (COR) is a static value that characterizes the elastic properties of two colliding bodies, remaining unchanged regardless of external forces acting on them. Discussions indicate that the COR is determined by the materials involved and is not influenced by external factors. Participants shared useful references for further reading on the topic, including Wikipedia and other educational resources. The consensus is that the COR remains consistent between two materials during collisions. Understanding the COR is essential for analyzing impacts in physics and engineering contexts.
Lucien1011
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Hello everyone
I learned the coefficient of restitution in school.
I wonder if the coefficients of restitution of two bodies are different in the cases with and without external force acting on the two bodies.
Also, do you guys have any reference paper about COR?
Thank you so much!
 
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The COF is related to implsive forces between two objects and external forces have no influence.
 
As clem was saying the coefficient of restitution will be the same since it's a static value between two materials.
 
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