The acceleration of gravity g can be computed by measuring the drop distance and the fall time. The apparatus consists of a release mechanism that also acts as the start switch, a switch plate that acts as the stop switch, and conducting balls.
- 1x Magnetic release mechanism with mirror
- 1x Switch plate
- 4x gold-plated steel balls (diameters 12 mm and 16 mm)
- 1x Ping pong ball with same mass as 12 mm steel ball
See the Buying Guide for this item's required, recommended, and additional accessories.