Drag Coefficients for Spheres.
Drag Coefficients for Spheres Technical Description Two Plexiglass cylinders are provided for performing the experiment, these are filled with fluids of varying viscosity. A ball sinks to the bottom under the action of gravity. The sink time and distance are measured. Included with the unit are a stopwatch and 10 spheres of different materials and volumes. At the bottom of the measuring tube is a chamber through which the balls can be removed without major loss of fluid.