Friction

Surface Board

Used to study the effects of friction using a board of four different surface materials. Includes surface board, hooks, wooden blocks, and instructions. More.

Friction Apparatus

This set includes a friction block and a friction board, both made of smoothly finished pine wood. The friction block has a hook for spring scale and two compartments for additional weights. It can be placed face-up or sideways. Students can vary th... More.

Friction Block and Surface Set

Introduce the concept that friction depends on the nature and smoothness of materials. Kit consists of three wooden blocks measuring approximately 3-15/16" L x 2-3/4" W with hooks. The first block has a highly polished side, the second h... More.