Which statement describes the law of conservation of energy?

A. Energy can change forms but cannot be created or destroyed.
B. Energy can be destroyed but not created.
C. The total energy in a system always decreases.
D. Friction has no effect on the energy of a system.



Answer :

Final answer:

The Law of Conservation of Energy states that energy cannot be created or destroyed.


Explanation:

The Law of Conservation of Energy states that energy cannot be created or destroyed; it can only change forms. For example, potential energy can be converted to kinetic energy in a falling object, but the total energy remains the same.


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