Ch 18: Applications of Fields in Physics

About This Chapter

Use this chapter to reinforce current knowledge or learn new facts about fields of energy and their applications. These short and simple lessons can support your physics class studies or help you review information for college entrance or professional certification exams.

Applications of Fields in Physics- Chapter Summary

What is the influence of gravity on orbital motion? Which forces cause attraction? These questions represent the type of information you will explore when you use the video and text lessons in this chapter. You will have the opportunity to review definitions and formulas to clarify facts and ensure your understanding of this material. Once you are finished with this chapter, you should be able to:

  • Define aphelion and perihelion
  • Explain how speed, gravity, and potential and kinetic energy influence orbital motion
  • Use equations to solve problems of centripetal force and acceleration
  • Calculate forces of attraction
  • Describe the properties of different types of forces of attraction
  • Analyze the force of a magnetic field on a current
  • Discuss how electric motors work
  • Detail the interaction between different fields of energy

Easily accessible lessons allow you to study at your pace whenever it's convenient for you. Expert instructors present the material in easy-to-follow language supported by examples and illustrations. Track your progress through this chapter on your Dashboard and use self-assessment quizzes to measure the depth of your knowledge and to determine if you need further review of any topic.

5 Lessons in Chapter 18: Applications of Fields in Physics
Test your knowledge with a 30-question chapter practice test
How Orbits Are Influenced by Gravity & Energy

1. How Orbits Are Influenced by Gravity & Energy

This lesson will explain how potential energy, kinetic energy, speed, and gravity are linked to the orbital motion of planets in our solar system. It will also define aphelion and perihelion.

Uniform Circular Motion: Definition & Mathematics

2. Uniform Circular Motion: Definition & Mathematics

After watching this lesson, you will be able to explain what uniform circular motion is, in terms of both acceleration and forces. You will also be able to use equations for centripetal force and acceleration to solve problems. A short quiz will follow.

Force of Attraction: Formula & Concept

3. Force of Attraction: Formula & Concept

In this lesson, you will learn about the force of attraction and the kinds of forces that cause attraction. You will learn the formulas for these forces and learn how to calculate the force of attraction in each case, and learn about the properties of each force of attraction.

Force of a Magnetic Field on a Current: Formula & Application

4. Force of a Magnetic Field on a Current: Formula & Application

Electricity and magnetism are so closely related that they are used in the same word, electromagnetism. In this lesson, we will explore how a magnetic field exerts a force on current.

Electric Motor: Definition & Examples

5. Electric Motor: Definition & Examples

In this lesson, you will learn what an electric motor is and how it works. Take the opportunity to look at some examples of the way in which electric motors are used in everyday life. A short quiz will follow.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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