
Concept explainers
Interpretation: The significance of law of conservation of energy needs to be explained.
Concept introduction: The ability of doing work or producing heat is the energy. Energy is classified as potential and kinetic energy. The energy due to position or composition is potential energy and the energy because of motion of object is the kinetic energy.

Answer to Problem 2RQ
The energy is always conserved in nature. This is indicated by law of conservation of energy.
Explanation of Solution
Law of conservation of energy states that conversions of energy from one form to another is possible but creation or destroy of energy is impossible. This law indicates that energy of the universe is constant.
The energy of universe is constant and conversion of energy from one form to another is possible.
Chapter 10 Solutions
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