Internal energy does not include

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(D) Internal energy $(U)$ is the sum of all microscopic forms of energy in a system,including translational,rotational,vibrational,electronic,and nucl

Vedclass · Accepted Answer

Energy arising by gravitational pull

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(D) Internal energy $(U)$ is the sum of all microscopic forms of energy in a system,including translational,rotational,vibrational,electronic,and nuclear energy.It does not include macroscopic forms of energy such as kinetic energy due to the motion of the system as a whole or potential energy due to the gravitational pull on the system.Therefore,the correct answer is $D$.

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