PURPOSE: To show the mode of oscillation for a Torsion Pendulum, and to show that it is Simple Harmonic Motion.
DESCRIPTION: A Torsion Pendulum, as shown, is started. To change the frequency the weights can be moved in or out with the use of a screwdriver .
EQUIPMENT: Torsion Pendulum, screwdriver.
Updated by Jun Qi in 3/24/2000