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Flipping Physics
Demonstrating the Direction of the Force of Friction
In this physics lesson, we break down how the force of friction always opposes sliding motion, whether it’s static or kinetic friction. Through clear demonstrations, motion tracking, and connections to Newton’s Laws of Motion, you’ll see...
Flipping Physics
Friction - AP Physics 1: Dynamics Review Supplement
In this video, we tackle three multiple-choice questions related to friction. We start with a problem involving a block and a cube, discussing the forces at play and determining the force preventing acceleration. Next, we analyze a book...
Visual Learning Systems
Force and Newton's Laws: the Force of Friction
This video discusses the principle of force and the application of Newton's Three Laws of Motion. Students will witness the effect of friction on force and see how force is calculated. Other terminology includes: inertia, weight, mass,...
Curated OER
Introduction to Friction
A series of simple computer animations and a narrator explain friction. The force of friction is defined and explained as a self-adjusting force. Causes and types of friction are illustrated and ways to minimize it are listed. There are...
National Science Foundation
National Science Foundation: Science of Speed: Tires and Pressure
Tires on a car in a NASCAR race are filled with nitrogen. The force of friction increases tire pressure as the car goes around the track. Using dry nitrogen gas helps with predicting the temperature and pressure of a tire during a race....
National Science Foundation
National Science Foundation: Science of Speed: Friction and Heat
Friction always creates heat. Brakes and tires depend on friction to work, while the opposite is true of an engine. Engine builders use oil and high-tech coatings to get more power from an engine. [5:25]
Khan Academy
Khan Academy: Inclined Planes: Force of Friction Keeping the Block Stationary
A block of wood is kept stationary by the force of friction. (A correction to this video is made in the next video.) [8:41]
Khan Academy
Khan Academy: Force of Friction Keeping the Block Stationary (Correction)
Corrects an numerical error in a previous video on how a block of wood is kept stationary by the force of friction.