What is a non-fundamental force?

1 Answer
Burglar
Jun 1, 2016

It is every force that can be derived from other forces.

An example: the elastic force of a spring.
It is very convenient to express it as a force in problems of mechanics, but in reality this force is due to the electric bounds within the material of the spring. So the elastic force is a combination of many electromagnetic interactions and it is not a fundamental force.

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