Physics: Principles with Applications (7th Edition)

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

Chapter 8 - Rotational Motion - Questions: 14


Momentum and angular momentum are conserved when net force and torque are zero, but objects in reality experience external forces.

Work Step by Step

Momentum and angular momentum are conserved for systems upon which no external forces or torques act. However, for “real life” systems, there are almost always some external forces and torques (e.g., friction) that will dissipate the system’s momentum.
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