University of Alaska
University of Alaska Fairbanks: Static and Kinetic Friction
Explains what static and kinetic friction are, what their coefficients of friction are in different scenarios, and how these concepts are applied when looking at automobile braking distances and vehicle control when driving.
New York University
New York Univ.: Tandon School of Engineering: Static and Kinetic Friction [Ppt]
Explains what static and kinetic friction are and discusses the coefficient of friction for different situations. Presents two simple lab experiments and real-life examples of friction in action.
CK-12 Foundation
Ck 12: Episd: Force Coefficients
[Free Registration/Login may be required to access all resource tools.] Understand the effects of magnitude of force pairs between objects. Know the differences between kinetic and static friction.
TeachEngineering
Teach Engineering: The Force of Friction
In the first of two lessons of this curricular unit, students are introduced to the concept of friction as a force that impedes motion when two surfaces are in contact. Student teams use spring scales to drag objects, such as a ceramic...
TeachEngineering
Teach Engineering: Factors Affecting Friction
In this lesson plan, learners use previous knowledge about friction to formulate hypotheses concerning the effects of weight and contact area on the amount of friction between two surfaces. In the Associated Activities (Does Weight...
Texas Education Agency
Texas Gateway: Uniform Circular Motion and Gravitation: Centripetal Forces
By the end of this section, you will be able to calculate coefficient of friction on a car tire and to calculate ideal speed and angle of a car on a turn.
Sophia Learning
Sophia: The Coefficient of Kinetic Friction
This slide show presentation introduces the idea of the coefficient of kinetic friction.
Sophia Learning
Sophia: The Coefficient of Static Friction
This guided slide show presentation explains the physics behind the coefficient of static friction.
TeachEngineering
Teach Engineering: Does Weight Matter?
Using the same method for measuring friction that was used in the previous lesson (Discovering Friction), students design and conduct an experiment to determine if weight added incrementally to an object affects the amount of friction...
OpenStax
Open Stax: Physics: Centripetal Force
In the following interactive students will begin to calculate coefficient of friction on a car tire. They will also calculate ideal speed and angle of a car on a turn.
Physics Aviary
Physics Aviary: Practice Problems: Newton's Law System Both Frictions Problem
Students must find out different things for a series of object's moving as a system with Friction. In this problem students will be given both a static friction coefficient and a kinetic friction coefficient.
Science Struck
Science Struck: Static Friction vs. Kinetic Friction: The Differences
Teaches what friction force is, the difference between static and kinetic friction, and how friction force is calculated.
Georgia State University
Georgia State University: Hyper Physics: Air Friction
Physics lab definition of air fiction. Part of a hypertext physics course on sound.
Physics4kids
Physics4 kids.com: Friction Basics
This resource provides a brief overview of friction. Its' affects on solids, liquids and gases is described with diagrams. An explanation of how friction is measured is included in the discussion. An online quiz can be used to check your...
CK-12 Foundation
Ck 12: Plix Series: Friction
[Free Registration/Login Required] Use given friction formulas and an interactive diagram for an inclined plane to solve a motion problem. After the activity, answer a challenge question to check for understanding.
Other
Focus Physical Review: Friction of Molecules
This is an article published by the American Physical Society on friction in microscopic gears that results from the adhesion of molecules. A great exploration of this new obstacle in science.
Science Education Resource Center at Carleton College
Serc: Inertia: An Object in Motion Will Tend to Stay in Motion
This activity is a take off of Galileo's experiment with the inclined planes to show that an object in motion would stay in a straight line motion if no outside forces acted were acting on it. In this version, students will roll a ball...
TeachEngineering
Teach Engineering: What a Drag
Students learn about friction and drag - two different forces that convert energy of motion to heat. Both forces can act on a moving object and decrease its velocity. Students learn examples of friction and drag, and suggest ways to...
Educaplus (Jesús Peñas Cano)
Educaplus: Coeficientes De Rozamiento [In Spanish]
This is a virtual laboratory to determine the static and dynamic coefficients of friction.
Physics Aviary
Physics Aviary: Practice Problems: Stopping Distance Problem
Students must calculate coefficient of friction based on the distance required to stop a car moving along a roadway.
Physics Aviary
Physics Aviary: Practice Problems: Acceleration on Incline Problem Medium
Students must calculate the acceleration of an object down an incline when there is friction present. Mass, angle and coefficient of friction will be generated randomly.
Physics Aviary
Physics Aviary: Practice Problems: Motion on Incline Level 2
Students must calculate the distance an object will move up an incline using Newton's Laws. Mass, angle, gravitational field, coefficient of friction and initial speed will be generated randomly.
Physics Aviary
Physics Aviary: Practice Problems: Motion on Incline Level 3
Students must calculate the speed of a block when it returns to its original location on an incline using Newton's Laws. Mass, angle, gravitational field, coefficient of friction and initial speed will be generated randomly.
Sophia Learning
Sophia: Common Coefficients of Static Friction: Lesson 2
This lesson provides the learner with the coefficients of static friction for some common surfaces. It is 2 of 2 in the series titled "Common Coefficients of Static Friction."