Conservation of energy and work in mechanisms

Mechanisms seems to increase force, but they can not create energy by theirself. All mechanisms produce the same amount of work that is done to them, including energy that is lost to friction and heat.

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Forms of energy

Form of energy Potential: Associated with the heigt of an bject above the ground. kinetic: The energy of physical movement Mechanical: The sum of potential kinetic energy Sound: The energy of sound waves Electrical: The product of an electrical current Nuclear: The energy in the nucleus of an atom Luminous: Associated with ligth Thermal: Associated with the movement of particles in a matter Chemical: Results from the formation or descomposition of substances Electromagnetic: Occurs when electrical current create magnetic fields
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