Accurately measure the acceleration due to gravity through a 150 cm fall.

• Free fall apparatus for measuring the acceleration of gravity
• 150 cm fall length
• Requires digital timer DTPHG1 (not included)

This convenient free fall apparatus includes an electromagnetic ball release, a pair of photogates on a long cable harness, two steel balls, a plumb line, and a catcher. Requires a digital timer DTPHG1 (not included). Includes activity guide.