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Chapter 17: Fluids

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Introduction

The Big Idea

Summary

In these lessons students will learn how the pressure of a fluid is related to depth, how hydraulic press' work and Archemides principle relating buoyancy force to the amount of displaced fluid.

In studying fluids we apply the concepts of force, momentum, and energy — which we have learned previously — to new phenomena. Since fluids are made from a large number of individual molecules, we have to look at their behavior as an ensemble and not individually. For this reason, we use the concept of conservation of energy density in place of conservation of energy. Energy density is energy divided by volume. Newtonian fluids (the normal type and only type we deal with here) are non-compressible. This leads to Pascal's and Archimedes' Principles discussed below.

Chapter Outline

Chapter Summary

Summary

In these lessons students will learn how the pressure of a fluid is related to depth, how hydraulic press' work and Archemides principle relating buoyancy force to the amount of displaced fluid.

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Date Created:

Sep 25, 2013

Last Modified:

Aug 28, 2014
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