Product Overview
Consists of 3 steel and 2 plastic balls of different sizes and a length of non-stretch string, ideal for pendulum experiments. A hole has been drilled through the center of each ball in such a way as to allow for the recessing of a knot.
The five pendulum balls are: 1 large steel ball with Ø 20 mm, 2 small steel balls with Ø 12.8 mm, 1 large plastic ball with Ø 24 mm, and 1 small plastic ball with Ø 15 mm. Supplied in a plastic case.