Institute of Electrical and Electronics Engineers
Rotational Equilibrium
Physics stars design mobiles that demonstrate rotational equilibrium. They take measurements and solve related equations for force by graphing, substitution, or determinants. This is a well-developed lesson plan, complete with student...
University of Guelph
University of Guelph: Physics Tutorials: Torque and Rotational Motion
Tutorial on torque, rotational motion, and rotational equilibrium. Includes equations, concepts, example and practice problems.
University of New South Wales (Australia)
University of New South Wales: School of Physics: Physclips: Center of Mass
Physiclips thoroughly presents the center of mass with animations and film clips.
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.
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.
Physics Aviary
Physics Aviary: Practice Problems: Rotational Equilibrium Level 1
Find the tension in two ropes that are holding the system in static and rotational equilibrium.
Physics Aviary
Physics Aviary: Practice Problems: Rotational Equilibrium Level 2
Find the tension in one rope that is holding a bar in equilibrium by pulling on an angle.
University of Guelph
University of Guelph: Physics Tutorials: What Is Torque?
This site provides an introductory look at torque, the measure of how much a force acting on an object causes that object to rotate. Provides a definition of torque, illustrations, and also a formula to define torque.
Edutopia
Edutopia: Room to Learn: Mystery Science Theatre
Read and see examples of how one physics teacher turns his classroom into a student-centered, project-based and fun place to be.
University of Virginia
University of Virginia: Rotational Motion
A page describing rotational equilibrium and non-equilibrium situations. Includes graphics, equations, and many examples.