- #1
AntoineCompagnie
- 12
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Homework Statement
Why is potential energy variation between two points equals to the work of the opposite of conservative forces between these two points?
Homework Equations
If we call these forces $$\vec F_ext^C$$
\begin{equation}
\Delta E_p=E_p(B)-E_p(A)=-\sum W_{A\rightarrow B}(\vec F_{ext}^C)
\end{equation}
The Attempt at a Solution
I thought it was the opposite of the kinetic energy...