Khan Academy
Khan Academy: Balanced and Unbalanced Forces: Balanced and Unbalanced Forces
Video lesson serves as a primer on identifying balanced and unbalanced forces. [8:11]
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: Work and Energy: Work/energy Problem With Friction
This video gives an example of a conservation of energy problem where all of the energy is not conserved. Understand how friction causes loss of energy. [10:04]
Sophia Learning
Sophia: Introduction to Friction
A video lesson investigating how frictional forces are involved in almost all of your everyday activities. Understand that the resistance you feel when sliding objects past each other or moving objects through water and air is friction....
Sophia Learning
Sophia: Mathematical Interpretation of Kinetic Friction
This tutorial provides a mathematical interpretation of kinetic friction as compared with a normal force. [4:27]
Sophia Learning
Sophia: Sliding Friction
This video presentation explains what sliding friction is, and how it is experienced. [5:32]
Sophia Learning
Sophia: Tension Forces & Friction
A video lesson explaining how tension forces can be used to determine the force of friction acting on an object. [6:33]
Khan Academy
Khan Academy: Force of Friction Keeping Velocity Constant
Calculate the coefficient of kinetic friction for a block that is on an incline plane with this video lecture. Video includes a step-by-step process for solving these types of problems. [9:09]
Khan Academy
Khan Academy: Inclined Planes and Friction: Ice Accelerating Down an Incline
Video lecture explores figuring out the acceleration of ice down a plane made of ice. [10:37]
National Science Foundation
National Science Foundation: Science of the Winter Olympic Games: Physics of Slope Style Skiing
A scientist explains the physics of slope-style skiing, e.g., rotational motion, moment of inertia, angle of momentum, and friction. [4:58]
Khan Academy
Khan Academy: Inclined Planes and Friction: Static and Kinetic Friction Example
In this video lecture, the topics of static and kinetic friction are explored with examples. The video discusses free-body diagrams and the forces that affect the movement of objects. [9:49]
Other
Ap Physics Lectures: Inclined Plane Problems (Ramp Problems)
Provides instructions on solving physics problems involving inclined planes. [9:39]
Khan Academy
Khan Academy: Introduction to Gravity
This video covers the basics of gravity and the Law of Universal Gravitation. [15:42]
Khan Academy
Khan Academy: Static and Kinetic Friction Example
Thinking about the coefficients of static and kinetic friction. [9:49]
Khan Academy
Khan Academy: Ice Accelerating Down an Incline
Figuring out the acceleration of ice down a plane made of ice. [10:36]
Khan Academy
Khan Academy: Thermal Energy From Friction
In this video David shows how to find the energy generated by the force of friction and solves an example conservation of energy problem involving thermal energy. [14:47]
Khan Academy
Khan Academy: Give Spout Some Grippy Feet
This video solves the problem of a small robot that won't back up by using friction. [1:13]
Khan Academy
Khan Academy: Slow Sock on Lubricon Vi
The video lesson is from Khan Academy's physics library. This lesson answers the question: What would happen to a slowly moving frozen sock on a frictionless planet.
Khan Academy
Khan Academy: Force of Friction Keeping Velocity Constant
Sal Khan demonstrates how to calculate the coefficient of kinetic friction (correction made in next video). [9:08]
Khan Academy
Khan Academy: Force of Friction Keeping the Block Stationary
Sal Khan explains how a block of wood is kept stationary by the force of friction (correction made in next video). [8:40]
Khan Academy
Khan Academy: Work/energy Problem With Friction
Conservation of energy problem where all of the energy is not conserved.[10 min. 5 sec.]
Sophia Learning
Sophia: Friction & Net Force: Lesson 2
This lesson explains how friction is part of the net force acting on an object. It is 2 of 2 in the series titled "Friction & Net Force."
Sophia Learning
Sophia: Introduction to Friction: Lesson 2
This lesson introduces the concept of friction and explains how it interacts with objects. It is 2 of 2 in the series titled "Introduction to Friction."
Sophia Learning
Sophia: Normal Force: Lesson 2
This lesson introduces the concept of normal forces. It is 2 of 2 in the series titled "Normal Force."