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Ch 3: Newton's Laws of Motion in Physics

About This Chapter

Use this overview of Newton's laws of motion in physics to improve your understanding of Newton's first, second, and third laws of motion. These lessons will help you feel better prepared to take an exam or participate in a class discussion.

Newton's Laws of Motion in Physics - Chapter Summary

In this chapter on Newton's laws of motion in physics, there are a broad range of topics covered, such as gravitation, acceleration, and uniform circular motion. After completing the chapter, you should be able to do the following:

  • Explain the interaction between force and motion
  • Discuss how unbalanced forces cause objects to accelerate
  • Describe how objects accelerate as a result of force
  • Explain the law of universal gravitation
  • Calculate acceleration caused by gravity
  • Discuss uniform circular motion

These brief and informative lessons contain engaging illustrations and plenty of real-world examples. Each lesson includes a short multiple-choice quiz to test your knowledge. The quizzes link back to specific topics in the video, so if you get a question wrong it's easy to look up that particular topic.

6 Lessons in Chapter 3: Newton's Laws of Motion in Physics
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.

The Law of Universal Gravitation: Definition, Importance & Examples

4. The Law of Universal Gravitation: Definition, Importance & Examples

Gravity is what pulls us toward Earth, but it's also what pulls Earth toward us. This is explained by the law of universal gravitation, which describes how all objects in the universe have this important force between them.

Calculating Acceleration Due to Gravity: Formula & Concept

5. Calculating Acceleration Due to Gravity: Formula & Concept

You have no doubt seen gravity work in your life. After all, it is the force that keeps your feet on the ground! This lesson explores the acceleration a body experiences due to gravity and provides details of the mechanics behind it.

Uniform Circular Motion: Definition & Mathematics

6. 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.

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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