Synthesized answer
The provided passages do not contain the answer to what questions remain unanswered. The text only includes information about the title, author, and categories of the book "Physics" by Aristotle [1]. It does not offer any details about the content of the book itself, nor does it list any unanswered questions.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Aristotle's Physics by Aristotle Categories: Science Pages: 408