Freefall Apparatus
Freefall Apparatus
When the ball hits the switch plate, the timer stops.
Freefall Apparatus
Freefall Apparatus with Trigger
When the trigger is pushed, the ball is released and the timer starts.
U.S. Educator Price

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.

What's Included
  • 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
What to Consider

See the Buying Guide for this item's required, recommended, and additional accessories.