Conceptual Physics (12th Edition)

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

Chapter 6 - Think and Solve: 30

Answer

The impulse is the change in momentum. Using an equation from page 93, solve for the friction force. Let's deal only with the magnitudes of these quantities. $$Ft = \Delta(mv) =mv$$ $$F = \frac{(1000 kg)(20 m/s)}{10 s} = 2000 N.$$
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