Simulations

PHet Springs: A fun little PHet simulation that looks at springs. Don't worry about any of this normal mode business, just explore how changing one spring might effect another;

If Java works in your browser try this Atwood Machine applet;

Other Activities

An online workbook provided by PhysicsLAB;

• Force Vectors and the Parallelogram Rule
• Ropes and Pulleys in Static Equillibrium

Try to derive the sytem of equations that describes the forces on the two weights attached to an Atwood Machine then read this page about the Atwood Machine and try different calculations at the bottom of the page;