Answer
Two significant forces act upon the book: the weight (force due to gravity), and the support force (aka normal force) exerted by the table.
Work Step by Step
This is discussed on page 32.
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.