**How To Use the Interactive Pendulum Simulator**

**Click **the blue weight to run the simulator.

You have the option of using one or two pendulums as well as using no friction or a measured amount of friction.

There is a mathematical relationship between a pendulum’s length, period, and gravity. While the math may appear complicated, a programed calculator that can do all the math for you can be found here,

**Simple Pendulum Calculator.**

Physics For Every Kids |