Energy of position that is indicated by the displacement from equilibrium (how much the spring is stretched or compressed from its rest state). The formula is ΔPEs = 1/2(k)(Δx^2) (Where k is a measure of stiffness and x is the final minus initial displacement).

Spring Potential Energy


Potential energy that depends on the relative position of the object. The indicator is the change in height and the equation is ΔPEg = mgΔy (where m = mass, g= gravity, and Δy = final minus initial height).


Gravitational Potential Energy

Energy involved in the relative position between objects, as well as other factors such as stresses or electric charge.

University of California, Davis

Energy involving the movement of a physical object as a whole.

Mechanical Energy

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Energy of moving indicated by the speed of the object. The formula is ΔKE = 1/2(m)(Δv^2) (where m = mass, and v = velocity).

Kinetic Energy

Potential Energy

Transfer of energy into or out of a system through the force exerted by another system.

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