Ch 3: Newtonian Laws of Motion

About This Chapter

Use this chapter's video lessons to help review information about Newtonian laws of motion. Strengthen your understanding of these topics so you are well prepared for your quiz or for your homework assignments.

Newtonian Laws of Motion - Chapter Summary

The entertaining video lessons in this chapter explore the different Newtonian laws of motion. Our instructors will explain the implications of the first law on Earth and space, solve problems on centripetal force, distinguish between inertial frame of reference and non-inertial frame of reference. These lessons will cover objectives such as:

  • Describe the relationship between force and motion
  • Recall how unbalanced forces lead to acceleration
  • Review the applications of Newton's third law in nature, machines and space
  • Identify the forces affecting free-body diagrams
  • Define simple machines
  • Learn about the different operations of simple machines
  • Explore centripetal force

We are here to make the study of Newtonian laws of motion a simple and entertaining activity. These can be difficult concepts to understand and our instructors make it easy for you to grasp. The video lessons are organized in a way that teach concepts simply and efficiently. They include tags that jump straight to key points in the lesson. Our video transcripts also include everything that is covered in the videos for a text-based study option.

7 Lessons in Chapter 3: Newtonian Laws of Motion
Test your knowledge with a 30-question chapter practice test
Newton's First Law of Motion: Examples of the Effect of Force on Motion

1. Newton's First Law of Motion: Examples of the Effect of Force on Motion

This lesson describes Newton's first law of motion, also known as the law of inertia. The interaction between force and motion is explained. Several examples are used to discuss the implications of this law on earth and in space.

Newton's Second Law of Motion: The Relationship Between Force and Acceleration

2. Newton's Second Law of Motion: The Relationship Between Force and Acceleration

This lesson defines Newton's second law of motion. Examples are used to illustrate how unbalanced forces cause objects to accelerate. The examples are used to practice calculating acceleration and force for objects in motion.

Newton's Third Law of Motion: Examples of the Relationship Between Two Forces

3. Newton's Third Law of Motion: Examples of the Relationship Between Two Forces

This lesson describes Newton's third law of motion. Examples are provided to illustrate how interacting objects experience forces. The lesson explains how objects accelerate as a result of force. Applications of Newton's third law are illustrated in nature, machines, and space.

Free-Body Diagrams

4. Free-Body Diagrams

Forces that act on an object can be drawn through special vector diagrams called free-body diagrams. In this video lesson you'll identify how to correctly represent forces in a free-body diagram through vector arrows and force labels.

Simple Machines: Lever, Inclined Plane & Pulley

5. Simple Machines: Lever, Inclined Plane & Pulley

Discover what a simple machine is and how it operates. Then learn about the mechanical advantages various simple machines such as levers, inclined planes and pulleys give us.

Centripetal Force: Definition, Examples & Problems

6. Centripetal Force: Definition, Examples & Problems

After watching this video, you should be able to explain what centripetal force is, identify the centripetal force in a particular situation, and solve problems using the centripetal force equation. A short quiz will follow.

Inertial Frame of Reference: Definition & Example

7. Inertial Frame of Reference: Definition & Example

Learn how to tell the difference between an inertial frame of reference and a non-inertial frame of reference. Then find out what these frames of reference have to do with Newton's first law and fictional forces.

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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