Random Ramblings and Helpful Hints: Week Two--Day Four: Part 2 (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).
Example Force Problems: Solution #1--Click to enlarge.
Example Force Problems: Solution #2--Click to enlarge.
How to Abbreviate "Net Force" and the Definition of "System"--Click to enlarge.
How to Find Net Force in One Dimension--Click to enlarge.
Finding Net Force in One Dimension Examples--Click to enlarge.
How to Find Net Force in Two Dimensions--Click to enlarge.
Finding Net Force in Two Dimensions Example--Click to enlarge
How to Know When to Use Each of Newton's Laws--Click to enlarge.
Definition of Mechanical Equilibrium--Click to enlarge.
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.
Definition of Inertia and Newton's Second Law of Motion--Click to enlarge.
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.
The Three Kinds of Acceleration: Speeding Up, Slowing Down, Changing Direction, or Any Combination of the Three--Click to enlarge.
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.