Ch 8: ScienceFusion Motion, Forces, and Energy Unit 2.3: Machines

About This Chapter

The Machines chapter of this ScienceFusion Motion, Forces, and Energy Companion Course helps students learn the essential lessons associated with the operations of mechanical devices. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Machines textbook chapter.

How It Works:

  • Identify the lessons in the Science Fusion Machines chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the simple machine topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, re-watch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn:

  • Types of simple machines
  • Principles of mechanical advantage
  • Classes of levers
  • Advantages of the wheel and axle
  • The mechanics of the pulley
  • The physics of the inclined plane
  • Operation of force in wedges and screws

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7 Lessons in Chapter 8: ScienceFusion Motion, Forces, and Energy Unit 2.3: Machines
Test your knowledge with a 30-question chapter practice test
What Are Simple Machines? - Definition, Types & Examples

1. 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.

Simple Machines: Lever, Inclined Plane & Pulley

2. 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.

Levers: Definition, Classes & Examples

3. Levers: Definition, Classes & Examples

A lever is one of the most common tools we use to help us lift things beyond our strength limit. Learn about the components of a lever, find out about three different lever classes, and see some common examples of each.

Mechanical Advantage of the Wheel & Axle

4. Mechanical Advantage of the Wheel & Axle

In this lesson, you will learn the definition and properties of the mechanical advantage of a wheel and axle. You will learn how to calculate the mechanical advantage, as well.

Pulleys: Basic Mechanics

5. Pulleys: Basic Mechanics

Like other simple machines, pulleys can help us lift and move heavy loads with less effort. In this video lesson, you'll learn how pulleys do this as well as how this is possible while still obeying the law of conservation of energy.

Inclined Planes in Physics: Definition, Facts, and Examples

6. Inclined Planes in Physics: Definition, Facts, and Examples

If an object is not horizontal to the ground, it may be on an inclined plane. We need to adjust both the calculations and the free-body diagram when determining the net force on an object on an inclined plane. Learn how in this lesson.

Wedges & Screws: Definition & Examples

7. Wedges & Screws: Definition & Examples

Wedges and screws are two of the six types of simple machines, and they are used in many different areas of our lives. In this lesson, learn about the similarities and differences between wedges and screws, and some examples of them that are commonly encountered.

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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