Answer
See below.
Work Step by Step
The technique of magnetic levitation eliminates rail friction, because the train doesn't even touch the rail.
Drag forces (forces due to friction with air) remain.
Conceptual Physics (12th Edition)
by Hewitt, Paul G.
Published by
Addison-Wesley
ISBN 10:
0321909100
ISBN 13:
978-0-32190-910-7
Chapter 24 - Think and Explain - Page 467-468: 70
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