mechanical energy

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Noun

1.

mechanical energy - energy in a mechanical form energy, free energy - (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs; "energy can take a wide variety of forms" K.E., kinetic energy - the mechanical energy that a body has by virtue of its motion P.E., potential energy - the mechanical energy that a body has by virtue of its position; stored energy