University of Colorado
University of Colorado: Ph Et Interactive Simulations: Balancing Act
Learn about balance by placing objects on a playground teeter totter. Take the challenge to show what you learn.
National High Magnetic Field Laboratory
Magnet Academy: Torsion Balance
Experiment with the torsion balance and see what happens first by giving the rod a charge, and then by moving the charged rod closer to the outer metal sphere of the instrument. Observe what happens to the needle as the charge increases.
National High Magnetic Field Laboratory
Magnet Academy: Torsion Balance 1785
Read about Charles Augustin de Coulomb, who didn't invent the torsion balance, but was the first to discover it could be used to measure electrical charge- the first device capable of such a feat.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Balancing Act
Play the Balance Challenge game to see how various objects can be used to make a plank such as a teeter totter balance and how changing the position of an object will affect the motion and tilt of the plank.
NASA
Nasa: Weight and Balance Forces Acting on an Airplane
The effects of forces exerted on an airplane wing are discussed both conceptually and mathematically. Illustrations and sample problems and solutions are provided.
Exploratorium
Exploratorium: Structures Around the World
How does that bridge stay up? What are the forces acting on that column? This site helps students understand how structures can be built by having them build their own. Also provides images of real structures for kids to compare with...
CK-12 Foundation
Ck 12: Vector Analysis Applications
[Free Registration/Login may be required to access all resource tools.] Solve problems involving velocity and other quantities that can be represented by vectors.
Science Struck
Science Struck: Simple Machine: All About the Wheel and Axle
Describes some history of the wheel and axle, how it works, the formula for calculating its mechanical advantage, and some applications of the wheel and axle.
Other
National Physical Laboratory: The History of Length Measurement
This resource provides historic information on length measurement in the United Kingdom. Click on the topics on the left toolbar of the article to find out more information.
Libre Text
Libre Texts: Physics: Conservation of Angular Momentum
A few examples of what the conservation of angular momentum is and understand how it works. Challenge comprehension with follow up questions for discussion and problems for solutions.
CK-12 Foundation
Ck 12: Physics Simulation: Yo Yo
[Free Registration/Login Required] Understand the dynamics of rotating objects in the context of a spinning yo-yo using this interactive simulation. A PDF worksheet and a video tutorial are also available. [3:29]
CK-12 Foundation
Ck 12: Physics Simulation: Walk the Tightrope
[Free Registration/Login Required] Understand the concept of rotational inertia [moment of inertia) by analyzing the motion of a circus tightrope walker using this interactive simulation. A PDF worksheet and a video tutorial are also...
Khan Academy
Khan Academy: Angular Momentum Calculations
Calculate spinning objects and objects with linear momentum angular momentum on this practice quiz.
Other
Personal: The Laws of Motion
This personal site explains the physics of angular momentum and their application to flight. Part of a much larger site on the procedures, principles, and perceptions of flight.
Cosmo Learning
Cosmo Learning: Fundamentals of Physics
A collection of video lectures from a fundamentals of physics course taught at Yale University. The course is an introduction to physics and discusses Newtonian mechanics, special relativity, gravity, thermodynamics, and waves. Course...
Other
Ask Numbers: Measurement Conversion Calculators and Charts
What kind of unit conversion would you like to do? This site will allow you to do a multitude of conversions. Just click on the specific measurement you are needing to convert. It also provides a history of measurements and a chart of...
Walter Fendt
Walter Fendt: Lever Principle
A short interactive activity which demonstrates when a lever is in equilibrium.
Science Struck
Science Struck: Understanding the Gyroscopic Effect
Explains what a gyroscope is and the physics behind how it works.
McGraw Hill
Mc Graw Hill Learning Center: Rigid Bodies and Rotational Motion
From the companion web site for the Contemporary College Physics web site. The collection of pages indexed from this page lead to a variety of useful resources pertinent to Chapter 9 (Rigid Bodies and Rotational Motion) of the book. Such...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: The Center of Mass
This site from the Illinois Institute of Technology provides a lab activity in which students determine the location of the center of mass of an irregularly shaped object. Observations are related to the balancing point of the object....
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Center of Gravity Lab
This Illinois Institute of Technologysite provides a lab activity in which students find the center of gravity of a box which has nonuniform weight distribution. Complete with directions and discussion questions; answers provided.
University of Guelph
University of Guelph: Physics Tutorials: Moment of Inertia
This site has a list of moments of inertia for various objects.
Khan Academy
Khan Academy: Rotational Inertia
Learn how the distribution of mass can affect the difficulty of causing angular acceleration.
Other
Ursula Le Guin: The Bear's Gift
The poem "The Bear's Gift" from Ursula LeGuin's "Always Coming Home".
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