Calculating loads in a truss


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There are plenty of resources on the web for reading about how to calculate stresses in a system of trusses. West Point has an activity I'd like to try in a physics class. Below is an example I have started … Continue reading

Roller coaster


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This lab can be used to investigate the relationship between velocity and the height above ground. We use it when studying potential and kinetic energy. The lab is based on Scratchy, the roller coaster riding cat. Clicking one of the … Continue reading

Position versus Time Lab


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We are acquainted with the two-dimensional coordinate-plane in algebra class. We learn about graphing equations that have an input (or dependent) variable , and this input variable is associated with the horizontal axis. By habit, we refer to this as … Continue reading