Sophia Learning
Sophia: Static Friction Revisited: Lesson 2
This lesson introduces the concept of static friction and explains how it depends on the surface an object is resting on. It is 2 of 2 in the series titled "Static Friction Revisited."
Ducksters
Ducksters: Physics for Kids: Friction
Kids learn about the science behind friction including how it works as a force to slow things down, how it helps us stand, preventing friction, types, and fun facts.
Science Education Resource Center at Carleton College
Serc:investigating Friction:investigate How the Force of Friction Opposes Motion
In this investigation, young scholars will learn that speed, velocity, and changes in velocity are the result of the action of forces on objects such as friction. They will be able to explain how the force of friction opposes motion by...
Physics Aviary
Physics Aviary: Practice Problems: Work Done by Force With No Friction
Students must determine the work done by a horizontal force when there is no friction acting on the box. Students must then find the speed of the box after this work has been added to the box.
Physics Aviary
Physics Aviary: Practice Problems: Work Done by Force on Angle With No Friction
Students must determine the work done by a force on an angle when there is no friction present between the box and the table. Students must also find the final speed of the box after this work has been added to the box.
Physics Classroom
The Physics Classroom: Newtons Laws: Rocket Sledder Interactive
Experience the effect of friction, air resistance, and applied force upon a sledder. The speed, acceleration, and force values are displayed as the sled moves. Learners can vary the mass of the sledder and the size of the parachute...
Physics Aviary
Physics Aviary: Practice Problems: Work Done by Force (Force on Angle)
Students must determine the amount of work that is done by tension and the amount of work done by friction. Then students must find the work that turned into KE.
Physics Aviary
Physics Aviary: Forces on an Incline Lab
This lab was designed to have students look at the factors that might affect the angle at which an object will start to move when it is placed on an inclined plane. The friction coefficient of the surfaces, the strength of the...
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.
Concord Consortium
The Concord Consortium: Molecular Workbench: Friction and Movement
Explore how friction between a surface and tires affects the movement of a bicycle.
TeachEngineering
Teach Engineering: Sliding and Stuttering
Students use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor. The spring scale allows them to measure the frictional force that exists between the moving cup and the surface it slides on. By...
TeachEngineering
Teach Engineering: Physics of Roller Coasters
Students explore the physics utilized by engineers in designing today's roller coasters, including potential and kinetic energy, friction, and gravity. First, students learn that all true roller coasters are completely driven by the...
Georgia Department of Education
Ga Virtual Learning: Ap Physics 1: Applications of Newton's Laws of Motion
Students apply Newton's laws to more diverse physical settings where multiple forces from varying origins interact. To aid in condensing the physical setting into mathematical expressions, the free body diagram is used in this module...
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Malt Shop
[Free Registration/Login Required] Learn about kinetic friction and how objects slide to a stop under the influence of friction.
Other
Mechanical Systems
A collection of resources on how humans use machines and tools to meet their needs. Covers simple and complex machines, subsystems that transfer forces, mechanical advantage, speed ratio, the effect of friction, efficiency, the science...
Science Struck
Science Struck: Guide to Free Body Diagrams in Physics
A detailed explanation of the different types of forces that can be applied to an object and how to represent them in a free body diagram. Includes examples and some practice problems to try, with solutions provided.
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.
ClassFlow
Class Flow: Friction
[Free Registration/Login Required] In this unit children build on their existing knowledge of forces and learn that forces can be measured and compared. The unit focuses on friction.
Other
Footprints Science: Forces
A simple demonstration using a person on a bicycle to illustrate how thrust and resistance balance to achieve a constant rate of speed.
Science Education Resource Center at Carleton College
Serc: Investigating the Inclined Plane Through Inquiry
In this activity, students will use different materials to find the most effective way to use an inclined plane (in other words, moving an object with as little force as possible). This is a guided inquiry. Although the students will be...
Sophia Learning
Sophia: Kinetic Friction & Normal Forces: Lesson 1
This lesson explains why kinetic friction depends on normal forces. It is 1 of 2 in the series titled "Kinetic Friction & Normal Forces."
TeachEngineering
Teach Engineering: Red Light, Green Light
Building upon their understanding of forces and Newton's laws of motion, students learn about the force of friction, specifically with respect to cars. They explore the friction between tires and the road to learn how it affects the...
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.
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