Texas Education Agency
Texas Gateway: What Is Force?
You have probably heard the word "force" before in conversations. Here are a few examples: "the rocket had a lot of force at blast off" or "the force of the storm blew the roof off the building." What is force? Force is defined as a push...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Falling Slinky Model
A model of a slinky consisting of a string of twenty masses connected by springs. When the slinky is released, it falls and retracts in a series of movements. The motion of the slinky can be explored by moving the masses to different...
Davidson College
Davidson College: Hooke's Law
This site provides a java applet that lets you manipulate this experiment and evaluate the results. Good way to help you understand Hooke's Law of elasticity.