Conservative vs - turn into heat However since at this...

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Conservative vs. Nonconservative Forces Any discussion of energy must be prefaced with one of the fundamental statements of physics: energy is always conserved . This guiding principle forms the basis for many branches of physics. That said, though total energy in a system cannot change in total amount, energy can change forms. Electrical energy can turn into mechanical energy; mechanical energy can
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Unformatted text preview: turn into heat. However, since at this point we are only familiar with mechanical energy, for now we can only use the principle of the conservation of energy if no energy is converted to other forms. That is, for our purposes, all mechanical energy must remain mechanical energy. In order to know when mechanical energy is conserved, we must define those forces that do conserve mechanical energy....
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