Work Energy

Energy is the capacity of doing work.  Energy is never created or destroyed but external work performed on a conservative system goes into changing the system's total energy.

 

Work Energy formula

\(\large{ W=\Delta E = E_2 \;-\; E_1 }\)

Where:

\(\large{ W }\) = work

\(\large{ E }\) = energy

\(\large{ \Delta E }\) = energy differential