Other
Easyphysics: Chapter 11 Electric Forces
Learners investigate electric forces. Some topics examined are conductors, Coulomb?s law, and net electrical charge. The resource includes example problems with solutions and a chapter quiz.
Other
Game Dev: There Is No Such Thing as Centrifugal Force
This resource provides an exceptional explanation of centripetal force. Explains why the common misconception of a centrifugal force is incorrect.
Sophia Learning
Sophia: Practice W/ Forces: Lesson 1
This lesson provides the learner with example problems on find the net force acting on an object. It is 1 of 2 in the series titled "Practice w/ Forces."
Columbia University
The Climate System: Atmospheric Forces, Balances, and Weather Systems
The large scale horizontal flow of air in the atmosphere is driven by the imbalance of net radiation over the globe. This resource introduces us to the physical laws governing the horizontal motion of air. It also describes types of...
Khan Academy
Khan Academy: What Is Newton's Second Law?
Learn about the fact that forces cause acceleration in this article about Newton's Second Law. Includes examples and worked examples of problems.
Other
Easyphysics: Chapter 4 Forces
Learners investigate forces and Newton's laws. Some topics examined are mass, friction, and Newton?s laws of motion. The resource includes example problems with solutions and a chapter quiz.
Australian Broadcasting Corporation
Australian Broadcasting Corporation: Chile Earthquake: Christmas Day Quake Forces Evacuations
Southern Chile is rattled by a magnitude-7.6 earthquake, forcing thousands of people to evacuate coastal areas.
Texas Education Agency
Texas Gateway: 4.3 Newton's Second Law of Motion: Concept of a System
By the end of this section, you will be able to define net force, external force, and system; understand Newton's second law of motion; and apply Newton's second law to determine the weight of an object.
Physics Classroom
The Physics Classroom: Circular & Satellite Motion: Uniform Circular Motion
Manipulate variables while exploring principles and relationships related to moving in a circle at a constant speed. Students change the radius of the circle, the speed of the object, and the mass of the object and investigate the effect...
Sophia Learning
Sophia: Using Free Body Diagrams: Lesson 2
This lesson demonstrates how to use free-body diagrams to determine the net force acting on an object.
Exploratorium
Exploratorium: Structures Around the World
How does that bridge stay up? What are the forces acting on that column? This site helps students understand how structures can be built by having them build their own. Also provides images of real structures for kids to compare with...
Physics Classroom
The Physics Classroom: Newtons Laws: Free Body Diagram Interactive
A skill-building tool that presents students with twelve situations for which they must construct free-body diagrams. Force arrows allow user to toggle the magnitude of the force. Feedback is immediate; opportunities to correct answers...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Point Charge Forces in 2 D Model
In this simulation, examine the electric force that a charged particle gains from nearby charged particles in a two-dimensional state. See the net electric force shown as an arrow attached to the particle.
Sophia Learning
Sophia: Properly Defining a System
This slide show illustrates how to properly define a system of forces.
CK-12 Foundation
Ck 12: Electric Charge and Net Charge
[Free Registration/Login may be required to access all resource tools.] For this lesson, students learn about electric charges, and how the law of charges determines whether charges repel or attract each other. They will also learn how...
Science Education Resource Center at Carleton College
Serc: Hand Towing a Car: Critical Thinking, Problem Solving and Analysis
For this active learning activity, students will find a technique to move a car with one hand. Students are given only a tow strap, so the students must apply angular force to successfully move the car with one hand.
Physics Aviary
Physics Aviary: Practice Problems: Net Torque Level 1
Students must determine the net torque on a wheel. There will be four forces on the wheel and all of them will be at right angles to the radius from the center of the wheel.
Physics Aviary
Physics Aviary: Practice Problems: Net Torque Level 2
Students must determine the net torque on a wheel. There will be two forces on the wheel that will be apply at random angles to their radii.
Other
Libros Vivos: Fuerzas en Equilibrio
This site has a simple introduction to equilibrium of force and moment of a force.
Texas Education Agency
Texas Gateway: Kinetic Energy and the Work Energy Theorem
By the end of this section, you will be able to explain work as a transfer of energy and net work as the work done by the net force and to explain and apply the work-energy theorem.
Sophia Learning
Sophia: Practice With Inclined Planes
A video presentation providing example problems on finding the net force acting on objects at rest or sliding across inclined planes. [13:08]
TED Talks
Ted: Ted Ed: Would You Weigh Less in an Elevator?
Video that uses an elevator in motion to describe the relationship among weight, gravity, and relative motion. [3:36] Includes a short quiz and a list of additional resources to explore.
Physics Classroom
The Physics Classroom: Newton's Laws
A four-lesson e-textbook covering topics in Newton's Laws. Tutorials include informational text,animations, interactive activities, and quick, interactive comprehension checks throughout the lessons.
Other
Us Gen Net: Vanderburgh County: World War I Soldiers' Biographies
Links to biographies of men from Vanderburgh County, Indiana who fought in World War I.
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