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Curated Video
Using and Evaluating Net Present Value
This video discusses the investment appraisal measure of net present value, its advantages and limitations, and how to evaluate it compared to other appraisal measures. It also highlights potential biases towards quantitative data over...
The March of Time
MOT 1945: BATTLE OF IWO JIMA: AMPHIBIOUS ASSAULT
various US Marines (4th & 5th Division) climbing down net on side of transport ship, boarding landing crafts, Navy fleet just off shore, bombing / VS United States Marines in landing craft, moving toward island of Iwo Jima for amphibious...
Institute for New Economic Thinking
Joe Stiglitz: The Challenges Facing China
The Nobel laureate economist discusses how an activist government is needed to tackle problems like climate change. Stiglitz also gives his thoughts on economic growth in Africa, inequality in China, and the other key economic questions...
Flipping Physics
A Three Force Example of Newton's 2nd Law with Components
Finding the net force caused by three brothers fighting over a stuffed turtle. We break one vector in to components and find the components of the net force in order to solve for the net force.
Flipping Physics
An Introductory Tension Force Problem
Learn how to solve a basic tension force problem with demonstration!
Curated Video
Understanding Net Present Value (NPV) in Investment Appraisal
The video explains the concept of net present value (NPV), which is an investment appraisal measure that takes into account both the timing of cash flow payments and the profitability of a project over its entire lifetime. The speaker...
Brian McLogan
Sketch a figure from a net
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Curated Video
Calculating Net Present Value for Investment Projects
This educational video explains the concept of net present value (NPV) and how businesses can use it to calculate the value of investment projects. The video describes the advantages of NPV over other investment appraisal measures and...
Curated OER
How Do You Identify a Three-Dimensional Figure from a Net?
Learn how to use two-dimensional nets to identify their corresponding three-dimensional figure. The instructor uses diagrams to illustrate the two-dimensional nets and talks about the characteristics of each one to identify its...
Bozeman Science
Bozeman Science: Interaction Forces
Mr. Anderson illustrates the concept that forces on an object always require another object, and that an object cannot exert a force on itself. If net forces on an object are balanced the object will remain at rest or move with a...
Bozeman Science
Bozeman Science: Vector Sum of Forces
Paul Andersen explains how the vector sum of forces can be used to identify the net force on an object. The net force can be used to determine the overall acceleration of the object using Newton's Second Law. [6:54]
Sophia Learning
Sophia: Using Free Body Diagrams for Component Vectors
Watch this video tutorial, and learn how to use free-body diagrams to determine the net force acting on an object. [8:56]
Loyola University Chicago
Math Flix: Polyhedra Basics Using Nets
This QuickTime movie provides an opportunity to learn about the basics of Polyhedra using Nets. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Khan Academy
Khan Academy: Understanding Net Forces
When multiple forces are acting on a particle, we'll need to express them as a single force known as a net force. [1:59]
Khan Academy
Khan Academy: Free Body Diagram With Angled Forces: Worked Example
Sal draws a free body diagram for a box held stationary against a wall with a force at an angle theta. [5:43]
Sophia Learning
Sophia: Practice W/ Forces: Lesson 2
This lesson provides the learner with example problems on find the net force acting on an object. It is 2 of 2 in the series titled "Practice w/ Forces."