<P> For small height changes, gravitational potential energy can be computed using </P> <Dl> <Dd> U g = m g h, (\ displaystyle U_ (g) = mgh,) </Dd> </Dl> <Dd> U g = m g h, (\ displaystyle U_ (g) = mgh,) </Dd> <P> where m is the mass in kg, g is the local gravitational field (9.8 metres per second squared on earth) and h is the height above a reference level in metres . </P>

Which of the following is a form of potential energy