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Which one among the following statements is correct?
Options:
Which one among the following statements is correct?
Options:
Accepted Answer: (A) The total mechanical energy of a system is conserved if the forces, doing work on it, are conservative.
Topic Covered: Physics
Key Concept: Mechanics, electricity, waves and thermodynamics
The correct option follows from the governing physical law or definition. “The total mechanical energy of a system is conserved if the forces, doing work on it, are conservative.” is consistent with the required relationship between the quantities or phenomenon described.
The key is to apply the central fact, formula, definition or relationship tested in the question and then eliminate alternatives that do not satisfy it.