United Scientific Friction Apparatus
This set includes a friction block and a friction board, both made of high quality, smoothly finished pine wood. The friction block has a hook for a spring scale and three compartments for additional weights. It can be placed face-up or sideways. Students can vary the weight or area of contact to test their impact on the frictional force. The set comes with three 50g weights and a 100g spring scale. The board is 20″ x 2″ and the block is 4″ x 1.5″ x 1″. Includes an activity guide
Shipping weight: 1.1 Lbs., Dimensions: 20″ x 2.25″ x 2″.
