Khan Academy
Khan Academy: Particle Systems With Forces
Applying the forces of wind and/or gravity to a particle system so that the system can apply force to all individual particles. In addition, adding a repeller where all the force vectors have a different direction is illustrated.
Khan Academy
Khan Academy: Spring Forces
Creating a simulation of a bob hanging from a spring in a two-dimensional space that responds to other forces in the environment (wind, gravity, etc.)
Khan Academy
Khan Academy: Trig and Forces: The Pendulum
Using Newton's Laws of motion to calculate the acceleration of a pendulum as well as to compute and draw its position along the swing and move about the screen in a computationally based graphic system.
Scientific American
Scientific American: The Intricacies of a Gecko's Grip
This article, published by Scientific American (June 19, 2000), explores how geckos hang on vertical surfaces. They don't use glue, or suction, or even nature's version of Velcro. Instead, they utilize intermolecular forces "to get a...
University of California
The Endless Debate: Immigration and u.s. Agriculture
This article describes the special treatment agriculture as received in order to retain an illegal and poorly compensated Mexican work force. Potential solutions are discussed.
Khan Academy
Khan Academy: Mutual Attraction
A JavaScript coding of forces where every object in a given system attracts every other object in that system (except for itself).
Khan Academy
Khan Academy: Angles and Units
The application of trigonometry concepts to calculate complex forces of angular velocity and acceleration is illustrated.
Khan Academy
Khan Academy: Air and Fluid Resistance
This article on Khan Academy is about air and fluid resistance that is caused by friction.
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