Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 4 - Think and Explain: 93

Answer

Before a falling body attains terminal velocity, it is gaining speed, and experiences a downward acceleration. The net force is downward, which means the gravitational force is greater than air resistance. As the body keeps gaining speed, air resistance increases until the body reaches terminal speed. At that point, the net force is zero, and air resistance has the same strength as the gravitational force.

Work Step by Step

This is discussed on pages 65-66.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.