Plastic Pulley, Single, One (1) High Quality, Single Wheeled Plastic Pulley, On A Steel Frame, With Hooks At Each End And One Plastic Pulley With A Diameter Of 50 mm, Inner Gap Of Pulley Measures 4 mm, Overall Length Is 8.9 Cm. Capable Of Holding Over 30 Lbs Of Weight.
Ballistics Car with Remote Trigger, demonstrates the independence of vertical and horizontal motions. It consists of a four-wheeled cart carrying a vertical tube with a spring-loaded piston inside. The tube is loaded with a ball and the cart is set in motion
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
Harmonic Motion Spring, ideal for demonstrations or hands on experiments in the physics classroom, 7 inches (18 cm) long with a maximum diameter of 1.4 inches (3.5 cm) and a spring constant (k) of 9.6 N/m