Tag Archives: shear stress

The Fish Tank


 Model Description This is a demonstration that uses a fish tank to reinforce the definition of a fluid and some of the important physical characteristics associated with fluids.   This demonstration should take 3-5 minutes. Engineering Principle A fluid is defined as a substance that continuously deforms when subjected to a shear stress.  Additionally, the molecular […]

Tower of Torque


 Overview Thrill your students with Tales of Torque using the versatile Tower of Torque!  In it’s simplest form, the device allows students to predict and then measure the capacity of a simple bolt, modeled as a rod in torsion. Principle For cylindrical rods in torsion, the maximum shear stress experienced is seen at the outer […]