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25 November, 01:41

Which of these is equivalent to the law of conservation of energy?

A. The total mechanical energy is always conserved.

B. Friction is a nonconservative force.

C. Kinetic energy can be transformed into thermal energy.

D. The total energy of all types remains the same in a closed system.

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Answers (1)
  1. 25 November, 01:57
    0
    The answer is D.

    C and A are incomplete as they only treat specific types of energy, and B doesn't answer the question.
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