Answer
Yes, energy is required to extract the nucleon. The nucleon does have more energy once it is released. This energy manifests itself as increased mass, about 0.8 percent extra.
Work Step by Step
This is discussed on pages 645-646.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.