College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 9 - Solids and Fluids - Learning Path Questions and Exercises - Conceptual Questions - Page 347: 19

Answer

For torque to be generated, forces need to be applied on a point at a particular distance away from center. In this case, although mercury is much heavier, it does not matter, because the buoyant force are perpendicular to all of the surfaces, so it is not possible for the cylinder to rotate. So I would not invest money in this.

Work Step by Step

For torque to be generated, forces need to be applied on a point at a particular distance away from center. In this case, although mercury is much heavier, it does not matter, because the buoyant force are perpendicular to all of the surfaces, so it is not possible for the cylinder to rotate. So I would not invest money in this.
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