Rotate, Slip, & Stop! the Science of the Wheel

This book contains graphs showing data from a Halls Carriage, roller skates, and roller blades on flat surfaces, inclined planes, and surfaces with different types of friction. These data can be used for lesson plans by teachers and parents. Bonus Material: Measurements and pictures of skates and rollerblades, comparison measurement data for ice skates, and data regarding the stability of roller skates (force required to tip in each direction).