Multiple choice

Which of the following laws states that if a body or system of bodies is in motion under a conservative system of forces then the sum of its kinetic energy and potential energy is constant?

  1. Law of conservation of momentum

  2. Einstein law

  3. Bernoulli law

  4. Law of conservation of energy

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D Correct answer
Explanation

Law of conservation of energy states that if a body or system of bodies is in motion under a conservative system of forces then the sum of its kinetic energy and potential energy is constant.