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Lesson 2. Force

These are the terms and concepts you should master to the level you have set for yourself:

  • Interactions and Forces
  • Graphical Vector Addition
  • Vector Addition Using Components
  • Inertia and Equilibrium: Newton's First Law of Motion
  • Interaction Pairs: Newton's Third Law of Motion
  • Gravitational Forces
  • Contact Forces
  • Tension
  • Fundamental Forces

Assignment 1

Take a close look at the terms and concepts listed above. Use the search box to find definitions and brief explanations. For the first part of this lesson, a descriptive understanding is more important than a mathematical one. Think about how you would explain the concept to someone else, and make sketches and notes in your Learning Journal.

Assignment 2

Master the Concepts from the publisher's companion website.

Study each of the items in the Mastering the Concepts portion of the companion website. Use the search box to check on any terms that are unclear or unfamiliar.

Now turn your attention to the equations listed in the Concepts. Search for the meaning of each term in the equations, and set aside a page or two in your Learning Journal for a complete summary of the equations, including the definitions of each term.

Explore the Physics video playlist from The Kahn Academy for presentations related to this lesson.

Assignment 3

Work with the Interactives listed in the box in the upper-left corner of the companion website.

A Note About the "Interactives"

The companion website for this lesson includes some "Interactives" that are intended to help you develop a dynamic mental picture of the principles they portray. As technically correct and cleverly designed at these features might be, they usually require special explanation of how to use the and how to learn from themwhich is lacking. For this reason, you should not feel frustrated at being unable to use them.


Assignment 3

Check your skills with the Multiple-Choice Quiz.

Finally, browse these two resources for material relevant to this lesson:

The form and much of the content of this course refer to a specific textbook: Giambattista's College Physics,4/e.  The author and publisher, McGraw-Hill Higher Education, had no part in the production of this course, nor is any endorsement or affiliation implied.

David L. Heiserman, Editor

Copyright   SweetHaven Publishing Services
All Rights Reserved

Revised: June 06, 2015