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Change in gravitational potential energy

The change in gravitational potential energy is usually more relevant than the absolute level of potential energy.

It indicates the energy needed to bring an object from one point to another (assuming that no other forces, such as friction, are acting on it).

In a uniform field, the change in gravitational potential energy is given by: $$$\Delta U=\Delta E_{\text{p}}=mg\Delta h$$$ $$\Delta h=$$change in height relative to the gravitational field, $$m=$$mass of the object being moved, $$g=$$gravitational field strength.