Answer
8 N downward.
Work Step by Step
The air resistance acts upward, so the forces are 10 N downward due to its weight, and 2 N upward due to air resistance.
The total is 8 N downward.
Conceptual Physics (12th Edition)
by Hewitt, Paul G.
Published by
Addison-Wesley
ISBN 10:
0321909100
ISBN 13:
978-0-32190-910-7
Chapter 4 - Think and Discuss - Page 73: 115
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