Mechanical Energy
Easy definition: The sum of energy (potential and kinetic) in a system.

Hard definition: Mechanical
energy is the sum of energy in a mechanical system. This energy includes both kinetic energy, the energy of motion, and potential energy, the stored energy of position. A mechanical system is any group of objects that interact based on basic mechanical principles. Typically, in a mechanical system, gravity is the only major outside force that needs to be considered. In a chemical system, on the contrary, the forces between individual molecules and atoms must all be considered.



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Remember-It’s pretty easy it is the total energy in a mechanical system.

Sources-

http://wiki.answers.com/Q/Use_kinetic_energy_potential_energy_mechanical_energy_in_a_sentence
http://electron9.phys.utk.edu/phys136d/modules/m8/images/gen.gif
http://www.wisegeek.com/what-is-mechanical-energy.htm