Conceptual Physics (12th Edition)

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

Chapter 2 - Think and Rank: 33

Answer

Resist being set into motion, greatest to least: B, A, C, D. Support (normal) forces, greatest to least: B, A, C, D.

Work Step by Step

The greater an object's mass, the greater its inertia, and the harder it is to set it into motion. The objects are ranked from greatest mass to least mass. When they are at rest on a level table, each mass is in equilibrium and the net force on each mass must be zero. The normal force ("normal" is being used in the sense of "perpendicular") from the table supports each mass with a support force equal to its weight. Again, the objects are ranked from greatest mass to least mass.
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