CK-12 Foundation
Ck 12: Episd: Net Force
[Free Registration/Login may be required to access all resource tools.] Understand the physics that occurs in a game of tug-of-war.
Physics Classroom
The Physics Classroom: Determining the Net Force
Online classroom site explaining the concept of balanced and unbalanced forces. The site has examples and exercises for the student to review and try.
Physics Classroom
The Physics Classroom: Vectors: Net Force Problems Revisited
Through interactive examples and practice problems, this tutorial helps students understand net force-acceleration problems in which an applied force is directed at an angle to the horizontal.
Physics Classroom
The Physics Classroom: Newton's Laws: Determining the Net Force
Students combine their understanding of acceleration and the fact that a net force causes an acceleration to determine whether or not a net force exists in several practice situations. After each problem, they are able to check their...
Physics Aviary
Physics Aviary: Net Force Game Medium
This game is intended to help students master the idea of net force for non-parallel forces. Students will have three minutes to figure out as many net forces as possible.
Physics Aviary
Physics Aviary: Net Force Game Simple
This game is intended to help students master the idea of net force for parallel forces. Students will have two minutes to figure out as many net forces as possible.
Physics Aviary
Physics Aviary: Practice Problems: Net Force Difficult
A random problem dealing with three random forces. Must find the net force of the three forces.
Physics Aviary
Physics Aviary: Practice Problems: Force Electric in a Line
Students must find the net force on one of the charges in a line of charges.
Physics Aviary
Physics Aviary: Practice Problems: Force Electric in a Triangle
Students must find the net force on one of the charges in a triangular arrangement of charges.
Physics Aviary
Physics Aviary: Practice Problems: Force Electric in a Box
Students must find the net force on one of the charges in a rectangular arrangement of charges.
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...
Physics Classroom
The Physics Classroom: Finding Individual Forces
Explore the world of finding individual forces. "The process of determining the value of the individual forces acting upon an object involve [sic] an application of Newton's Second law and an application of the meaning of the net force."
Physics Classroom
The Physics Classroom: Newton's Second Law of Motion
Learn more about finding acceleration through the practices found in this lesson. "The process of determining the acceleration of an object demands that the mass and the net force are known." Check out this comprehensive site.
Other
Bscs: Forces and Motion Content Background Document
In this document, we will try to answer a fundamental question of physical science, "Why do things start to move, slow down, speed up, stop moving or change direction?" In answering these core questions we can develop concepts that can...
OpenStax
Open Stax: Newton's Second Law of Motion: Concept of a System
In the following interactive students will begin to define net force, external force, and system and understand Newton's second law of motion. They will also apply Newton's second law to determine the weight of an object.
OpenStax
Open Stax: Kinetic Energy and the Work Energy Theorem
In the following interactive students will begin to explain work as a transfer of energy and net work as the work done by the net force. They will also explain and apply the work-energy theorem.
CK-12 Foundation
Ck 12: Physical Science: Combining Forces
[Free Registration/Login may be required to access all resource tools.] Featurea the definition of combining forces: Pulling down and pushing up, forces acting in opposite directions, forces acting in the same direction.
Physics Classroom
The Physics Classroom: Vectors: Forces in Two Dimensions:equilibrium and Statics
Through examples and practice problems, this interactive tutorial helps students understand forces that are in a state of equilibrium with a net force of zero.
Physics Classroom
The Physics Classroom: Newton's Laws: Finding Individual Forces
Through illustrated examples and interactive practice problems, students find the value of forces acting upon objects using force equations.
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...
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.
Physics Classroom
The Physics Classroom: Newton's Laws: Finding Acceleration
This physics tutorial provides students some practice using a given equation to find the acceleration of an object.
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.
Physics Classroom
The Physics Classroom: Momentum and Collisions: The Cart and the Brick Part A
An animation that portrays the collision between a 3.0-kg loaded cart and a 2-kg dropped brick. It will be assumed that there are no net external forces acting upon the two objects involved in the collision. The only net force acting...