Force & Motion

Coriolis Effect/Foucault Pendulum Unit

Live action in the classroom clarifies two hard-to-teach concepts. Unit fits any overhead projector. CORIOLIS EFFECT. A rotating polar map on heavy-gauge Lucite® represents the earth. The path of an object moving over the earth is seen ... More.

Collision in One Dimension Apparatus

An all-metal track with plastic supports, 76 cm long with five steel balls 19 mm in diameter. More.

Inclined Plane with Protractor

This complete set includes an inclined plane with pulley and protractor, a Hall’s carriage, and a standard weight hanger. Use to demonstrate resolution of forces, uniform and accelerated motions, and kinetic and potential energies. The wooden incl... More.

Forces and Simple Machines Kit

Contains a variety of custom-made and unique components, including Force Board, Inclined Plane, and Vector Board. Also included is a complete set of accessories needed for 15 different activities, including an 11-piece weight set, spring scales,... More.

Force, Motion, and Simple Machines Big Book

Forces are at work all around us. Discover what a force is, and different kinds of forces that work on contact and at a distance. We use simple language and vocabulary to make this invisible world easy for students to “see” and understand. E... More.

Inclined Plane Wood

An economical version of the traditional wood inclined plane. Features an adjustable-angle pulley and 9/16" dia. cross hole for support rod. Measures 31-1/2" (80 cm) L x 4-3/4" (12 cm) W. Grade 7 and up. More.

Double Cone Ramp

An inexpensive and effective version of this classic paradox apparatus. Because of the angle of the cone, its center of mass is lower at the top of the ramps than at the bottom so, counter-intuitively, it will roll up the ramp instead of down when r... More.

Dynamics Cars

Set of two dynamics cars constructed of heavy-gauge aluminum with ball bearing wheels to withstand the most severe classroom use. Each car will hold several bricks or support a load of over 90.0 kg (200 lbs.). Two sizes of spring steel and rubber bu... More.

Second Law of Motion Apparatus

Designed to propel one ball horizontally while at the same instant releasing another to fall vertically. The spring can be cocked at two different tensions. The metal platform is 15 cm long and has a 1 cm dia. rod attached to permit support at any desir... More.

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.