Click here to download the catalog as a PDF file. To view this site you need Adobe Flash Player and your browser must allow javaScripts. Go here to get the latest Flash Player. Two photogates can be set anywhere on the track to capture timing data. Force & Motion Economy Air Track A complete solution for mechanics study on a budget. Comes complete with everything you need, including Digital Timer and two Photogates! An air track is one of the most fundamental components of the physics lab. Its near-frictionless surface gives students hands-on experience with the basic concepts of velocity, acceleration, momentum, collisions, and conservation of energy. Now there’s an air track system that’s accessible even for tighter budgets. This 1.2-meter air track includes everything you need: air source, two carts, end pulleys, brackets, masses, collision kit, even a digital timer and two photogates! P4-2710 Economy Air Track w/Air Source $498 arborsci.com Visit our website for a sample lab activity for the Economy Air Track & Air Source. This straight forward Timer provides students with an easy-to-use tool with extremely accurate results! Tired of Those Cheap Plastic Pulleys? Durable, low-friction pulleys with strong aluminum sheaves. Deep V-grooves and the heavy aluminum frames will stand up to student use. Hook mounts for easy setup. 50 mm sheaves. A. P1-6105 B. P1-6106 C. P1-6107 Single 50 mm wheel 10 or more Double 50 mm wheel 10 or more Triple 50 mm wheel 10 or more No-Stretch Pulley String, 25 m $5 $4.50 $7 $6.25 $9 $8.10 $3.75 A B C P1-6110 Versatile Spring Scales can Push OR Pull You teach that a force is a push or a pull. But have you ever measured a push? These unique spring scales include a specialized plunger that allows students to measure by pulling or pushing. Now you can measure pulls and pushes that are downward, angled, or even upward! P1-1091 P1-1092 P1-1093 P1-1094 P1-1095 P1-1096 P1-1090 250 g / 2.5 N Spring Scale 500 g / 5 N Spring Scale 1 kg / 10 N Spring Scale 2 kg / 20 N Spring Scale 3 kg /30 N Spring Scale 5 kg / 50 N Spring Scale Complete Spring Scale Set $10 $10 $10 $10 $10 $10 $59 Color Coded for easy identification with scale marked in Newtons and grams. Order 10 or more of any individual spring scale for just $9.50 each! 24 1-800-367-6695