Ch 8: Basics of Newton's Third Law

About This Chapter

Boost your understanding of Newton's third law of motion with this collection of fun physics lessons and quizzes. Use any Internet-connected device to review these topics for exams, assignments or simply to build your physics knowledge.

Basics of Newton's Third Law - Chapter Summary

This convenient online physics chapter breaks down the basics of Newton's third law of motion. After defining the law, our expert instructors show you its applications in the study of physics and detail the concepts of force pairs, action forces and reaction forces. You'll also take short self-assessment quizzes to practice solving physics problems that involve Newton's third law. You can study the chapter at any time using your computer or mobile device. If you get stuck or need any extra help, simply submit your questions to our instructors. By the end of the chapter, you'll be able to:

  • Explain Newton's third law of motion
  • Recognize examples of action and reaction forces
  • Identify action and reaction force pairs
  • Solve problems by applying Newton's third law

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

Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.