Which of these follows from newton's laws about the energy of a moving object? a)the total mechanical energy of an object is always constant. b)the kinetic energy of an object remains the same if friction is absent. c)the mechanical energy remains the same if there are only conservative forces acting. d)the total of all forms of energy is always constant.
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Which of these follows from newton's laws about the energy of a moving object? a)the total mechanic...
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