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Ch 5: Mechanics, Force & Motion

About This Chapter

By going through the lessons in this chapter, you will have the chance to review information related to mechanics, force and motion, such as formulas for velocity and applications of Newton's Laws of Motion. Short lesson quizzes can help you assess your comprehension of the material.

Mechanics, Force & Motion- Chapter Summary

The chapter was designed to help you brush up on basic principles regarding mechanics, force and motion. This information is useful to anyone who has an interest in learning more about physics topics. The lessons will improve your understanding of the following:

  • Difference between speed and velocity
  • Formula for acceleration
  • Simple and complex movements
  • Newton's first, second and third laws of motion
  • Differences between mass and weight
  • Use of simple machines

You can study these short lessons in the comfort of your home by computer, or you can learn on-the-go on your mobile phone or tablet whenever it is best for your schedule. Test your knowledge through short multiple-choice lesson quizzes and the comprehensive chapter exam. If you have questions, it's easy to reach out to the instructors for help.

8 Lessons in Chapter 5: Mechanics, Force & Motion
Test your knowledge with a 30-question chapter practice test
Speed and Velocity: Concepts and Formulas

1. Speed and Velocity: Concepts and Formulas

Did you know that an object's speed and velocity may not be the same? This lesson describes the concepts of speed and velocity relating to objects in motion. We'll look at a specific example to help learn how to calculate both speed and velocity.

What is Acceleration? - Definition and Formula

2. What is Acceleration? - Definition and Formula

This lesson describes the difference between speed, velocity and acceleration. Examples are used to help you understand the concept of acceleration and learn to calculate acceleration with a mathematical formula.

Implications of Mechanics on Objects

3. Implications of Mechanics on Objects

Forces act on objects causing them to move. Mechanics is the field of science designated to the study of moving objects. This lesson describes how forces act on objects resulting in motion. Examples are used to describe how forces interact resulting in both simple and complex movement.

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

4. 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

5. 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

6. 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.

Newton's Laws and Weight, Mass & Gravity

7. Newton's Laws and Weight, Mass & Gravity

Did you know that mass and weight are not the same? This lesson describes the difference between the two as well as the effect of gravity on weight. Examples are used to teach you how to calculate weight based on mass and acceleration of gravity.

What Are Simple Machines? - Definition, Types & Examples

8. What Are Simple Machines? - Definition, Types & Examples

If you need to move or lift a heavy object, it would be wise to use a simple machine. Though these devices are far from fancy or high-tech, they are extremely helpful for getting work done.

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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