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--- basic_notions:energy [2018/04/12 16:49]
bogumilvidovic [Concrete]
+++ basic_notions:energy [2018/04/12 16:50]
bogumilvidovic [Concrete]
@@ Line 26: / Line 26: @@
 -->Proof the the total energy is conserved#
-[[equations:newtons_second_law|Newton's second law]] $F = ma$ implies
+For a system with a conservative force the relationship between force and potential energy is given by $
+\grad V \equiv - F$.
+In addition, [[equations:newtons_second_law|Newton's second law]] $F = ma$ implies
 \[
  \begin{split}