Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 4 - Dynamics: Newton's Laws of Motion - Questions: 1

Answer

The child may appear to fall backward, but that is only relative to the wagon, not to the Earth.

Work Step by Step

When the wagon is pulled forward, there is some frictional force acting between the wagon and the child’s bottom that moves her forward. However, overall, the child remains almost stationary (following Newton’s law of inertia).
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