Ms. Clanton's Physical Science Page
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    • Random Ramblings and Helpful Hints: Physics >
      • Random Ramblings and Helpful Hints: Physics Day One
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      • Random Ramblings and Helpful Hints: Tuesday, October 2, 2012
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    • Random Ramblings and Helpful Hints: Physical Science
    • Random Ramblings and Helpful Hints: Seven-Week Physical Science >
      • Random Ramblings and Helpful Hints: Week One--Day One
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      • Random Ramblings and Helpful Hints: Week Two--Day One
      • Random Ramblings and Helpful Hints: Tuesday, May 21, 2013
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    • Random Ramblings and Helpful Hints: Physics for Healthcare Professions >
      • Random Ramblings and Helpful Hints: Tuesday, May 28, 2013-HP
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      • Random Ramblings and Helpful Hints-Week One-Day Two
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      • Random Ramblings and Helpful Hints-Week Four-Day Three
      • Random Ramblings and Helpful Hints: Monday, June 10, 2013-HP
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      • Random Ramblings and Helpful Hints: Thursday, June 13, 2013-HP
      • Random Ramblings and Helpful Hints: Monday, June 17, 2013-HP
      • Random Ramblings and Helpful Hints: Thursday, June 20, 2013-HP


Random Ramblings and Helpful Hints:  Week Two--Day Five
(Finding Net Force; Newton's Three Laws of Motion)


Today, you should finish preparing for Exam One.  In addition, you should finish your study of force.  The resources on this page should help you as you continue.  Note:  If you are having trouble opening any of the links below, log into Blackboard and then retry the link(s).
  • Click HERE to download the instructions for the Midterm Exam.
  • In our class, we define a system as the object or set of objects we are discussing for a particular problem.
  • When using Newton's Laws, we will often need to find the net (total) force acting on an object (or system of objects).  Click HERE to see Ms. Clanton's notes about calculating net force in one dimension.  Click HERE to see Ms. Clanton's notes about calculating net force in two dimensions.
  • See the five images at the right for class notes and examples which will help you as you learn to find net force.
  • Click HERE to see Ms. Clanton's notes about Newton's Three Laws of Motion.
  • See the eight images at the bottom of the page for class notes describing Newton's Three Laws of Motion.
  • Click HERE to try a Newton's Three Laws of Motion matching self-quiz, which was designed to help students apply Newton's Three Laws to real-life situations.
  • Click HERE to try a force crossword puzzle.
  • Click HERE to try a Newton's Three Laws of Motion crossword puzzle.
  • Click HERE to download a one-dimensional net force worksheet using Newton's Three Laws of Motion.
  • Click HERE to open a couple of example force problems.  You can see the solutions in the images below.  Click images to enlarge.
  • Click HERE to open some force thinking exercises with detailed solutions.
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Example Force Problems: Solution #1--Click to enlarge.
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Example Force Problems: Solution #2--Click to enlarge.
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How to Abbreviate "Net Force" and the Definition of "System"--Click to enlarge.
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How to Find Net Force in One Dimension--Click to enlarge.
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Finding Net Force in One Dimension Examples--Click to enlarge.
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How to Find Net Force in Two Dimensions--Click to enlarge.
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Finding Net Force in Two Dimensions Example--Click to enlarge
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How to Know When to Use Each of Newton's Laws--Click to enlarge.
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Definition of Mechanical Equilibrium--Click to enlarge.
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Newton's First Law of Motion states that if the net (total) force acting on an object (or system of objects) is equal to zero, the object will not accelerate.--Click to enlarge.
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Definition of Inertia and Newton's Second Law of Motion--Click to enlarge.
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Newton's Second Law of Motion Example: If the net force acting on the elephant is small, and if the elephant has a large mass, then the elephant's acceleration will be small.--Click to enlarge.
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The Three Kinds of Acceleration: Speeding Up, Slowing Down, Changing Direction, or Any Combination of the Three--Click to enlarge.
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Newton's Second Law of Motion Example: If a 325 Newton net force acts on a 65-kilogram object, what is the object's acceleration?--Click to enlarge.
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Newton's Third Law of Motion--Click to enlarge.

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