Gelsonlab HSPD-075 Pendulum Apparatus for Physics experiment Educational Pendulum Law Demonstration
Pendulum law demonstration. Excellent for student exploration of the principles of the pendulum and acceleration due to gravity, this apparatus serves two learning purposes as it allows students to study both pendulum and gravity principles. The pendulum consists of one 1" steel ball, one 1" brass ball, one 1" wood ball, each attached to a piece of string and one pendulum clamp. A pendulum clamp holds them in place. It comes with a sturdy steel support rod and base. Instructions included.