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University of Colorado
University of Colorado: Ph Et Interactive Simulations: Gravity Force Lab
An interactive simulation that teaches about gravitational force, Newton's Third Law, and force pairs by varying properties affect the gravitational force exerted between two objects. This simulation can either be downloaded or played...
Texas Instruments
Texas Instruments: Groucho's Sign Shop
Students' use force sensors to investigate forces and learn about force as a vector. Similar concept to the common "spring scale" force vector lab, but with a real-world twist.
NASA
Nasa: Vector Addition by the Numerical Method
A lab experiment involving readily available materials. Students analyze three forces acting upon one point to determine the resultant force. Questions and accompanying answers are provided.
MadSci Network
Mad Sci Network: Gelatinous Vector Components
An edible lab activity utilizing Jello to demonstrate the x and y components of vectors.