Force and PE

[UrbanXrisis]

does the integration of Force equal negative potential energy?

\int{F}={-U}

Also, what is the difference between \oint and \int?

[Nylex]

Yeah, it should seeing as F = - dU/dx.

The integral sign with a circle is an integral around a closed loop/surface I think, whereas the normal integral sign isn't.

[UrbanXrisis]

so: W’=F=-dPE/dt

[arildno]

The \oint is often used for a curve integral (whether or not the curve is looped (closed) or not).