Ch 8: Mechanics of Solids & Fluids

About This Chapter

This chapter on the mechanics of solids and fluids will help you obtain a deeper understanding of these specific physics topics. You can prepare for an exam or get help with your homework with by reviewing these lessons.

Mechanics of Solids & Fluids- Chapter Summary

This chapter will help you grasp the mechanics of solids and fluids with the help from our professional instructors. The lessons in this chapter teach you information about surface energy, intermolecular forces, terminal velocity, application of Stoke's law, contrast between stream line motion and turbulent motion, and Reynolds number. The following objectives are reviewed in this chapter:

  • Identify Young's modulus equations
  • Review the basic formulas for finding shear and bulk stresses and strain equations
  • Explore how a liquid's pressure is calculated
  • Explain the application of the buoyant force
  • Recall examples of Pascal's principle
  • Understand applications of Bernoulli's principle
  • Analyze how Bernoulli's equation describes the relationship between pressure, speed and height of a fluid

The brief and informative lessons can be viewed as many times as necessary. Also available to you are written transcripts that can increase understanding. The interactive timeline feature allows you to access any part of a video you need. The text lessons are filled with terms and phrases in bold type to help you focus your studies. All these resources are designed to enhance your study experience and help you retain information.

12 Lessons in Chapter 8: Mechanics of Solids & Fluids
Test your knowledge with a 30-question chapter practice test
Young's Modulus: Definition & Equations

1. Young's Modulus: Definition & Equations

Young's modulus is a material property that tells you how stiff or stretchy a material is. In this lesson, learn how to calculate Young's modulus and what it can tell you about the material.

Shear and Bulk Stress and Strain Equations

2. Shear and Bulk Stress and Strain Equations

Discover how to tell when an object is experiencing normal, shear, and bulk stress and strain in this lesson. Then, learn about the basic formulas we use to find shear and bulk stresses, strains, and moduli.

Hydrostatic Pressure: Definition, Equation, and Calculations

3. Hydrostatic Pressure: Definition, Equation, and Calculations

This video lesson will introduce you to hydrostatic pressure in a liquid, as well as provide examples for how to calculate the liquid's pressure at a given depth.

Buoyancy: Calculating Force and Density with Archimedes' Principle

4. Buoyancy: Calculating Force and Density with Archimedes' Principle

Knowledge of the buoyant force is important when trying to understand why some objects float while other objects sink. In this lesson you'll learn about this unique force and how we apply it to various situations using Archimedes' Principle.

What is Pascal's Principle?

5. What is Pascal's Principle?

Feeling pressured to learn about Pascal's principle? Then you came to the right place. Pascal's principle states that a change in pressure at any point in an enclosed fluid is transmitted equally throughout that fluid. See examples and learn more.

Bernoulli's Principle: Definition and Examples

6. Bernoulli's Principle: Definition and Examples

Understanding how a moving fluid's speed and pressure change as it flows along is not only important for building airplanes but also for backyard fun. In this video lesson you'll learn about Bernoulli's principle and identify some practical applications of this concept.

Bernoulli's Equation: Formula, Examples & Problems

7. Bernoulli's Equation: Formula, Examples & Problems

Bernoulli's equation describes an important relationship between pressure, speed, and height of an ideal fluid. In this lesson you will learn Bernoulli's equation, as well as see through an example how in an ideal fluid, the dynamics of that fluid remain constant.

Surface Tension, Capillary Action, Viscosity & Physical Changes

8. Surface Tension, Capillary Action, Viscosity & Physical Changes

There are many mysteries in the universe. This lesson will focus on a few that can be easily explained due to intermolecular forces, mainly surface tension, capillary action, viscosity, and physical changes.

What is Terminal Velocity? - Definition, Formula, Calculation & Examples

9. What is Terminal Velocity? - Definition, Formula, Calculation & Examples

In this lesson, we will learn about terminal velocity and why it is better to jump out of a plane with a parachute than without one. We will explore why objects fall at different speeds and how to calculate the maximum speed of a falling object.

Stokes' Law: Definition & Application

10. Stokes' Law: Definition & Application

Stokes' law relates the terminal velocity of a sphere to its radius and the viscosity of the fluid it is moving through. This lesson will explain Stokes' law and provide applications of it to other science fields, as well as industrial applications.

What Is Stream Line Motion?

11. What Is Stream Line Motion?

Fluids are materials that flow if under a sheer stress. In this lesson we will learn about liquid motion and how it can flow chaotically or smoothly. These flow types are called turbulent flow and stream line flow.

Reynolds Number: Definition & Equation

12. Reynolds Number: Definition & Equation

Fluids can be air or liquids. Air and liquids move, which is called flow. In this lesson, we will investigate a property of fluid flow called the Reynolds number. This value determines whether the fluid is in laminar flow or turbulent flow.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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