Hall'S Car, Single, Can Be Used With An Inclined Plane, Weights, And Pulleys To Study Relationship Between Energy And Work. It Features A Molded One-Piece Body With A Central Well To Hold Additional Masses, Molded Wheels Have Sleeve Bearings
Air Puck, perfectly balanced and glides on a cushion of air for nearly frictionless motion across any smooth surface. Sturdy bumpers will survive collisions with walls, shoes, or other Air Pucks.
Dynamics Cart Set, 3 Wheeled (Set Of 2), Constructed From Solid Wood And Aluminum. Fitted With High Quality Frictionless Nylon Ball Bearing Wheels Allows For More Accurate Dynamic Measurements, One Of The Carts Is Equipped With An Exploder Piston