Free Fall Apparatus, Each

Details

This convenient free-fall apparatus, designed for measuring the acceleration of gravity, features a 150cm fall length. It comes with an electromagnetic ball release, a pair of photogates on a long cable harness, two steel balls, a plumb line, and a catcher. The digital timer DTPHG1 (sold separately) is required for operation. A more detailed description is available upon request. An activity guide is also included.