ELIF: Why was the energy concept introduced to physics?

Question

ELIF: Why was the energy concept introduced to physics?

In: Physics

Answer 1

Energy is defined as “the capacity to do work”. I don’t know how else to answer your question.

Answer 2

The short answer is because it was useful for determining the behavior of physical systems.

Here’s a wikipedia article about it: https://en.wikipedia.org/wiki/History_of_energy