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Energy – mechanical, potential, kinetic

energy transfer
energy pendulum
energy pendulum

Work is done upon an object whenever a force acts upon it to cause it to be displaced. Work involves a force acting upon an object to cause a displacement. In all instances in which work is done, there is an object that supplies the force in order to do the work.

energy displacement
energy displacement

An object that possesses some form of energy supplies the force to do the work. In the process of doing work, the object that is doing the work exchanges energy with the object upon which the work is done. When the work is done upon the object, that object gains energy. The energy acquired by the objects upon which work is done is known as mechanical energy.

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