PURPOSE: To illustrate uniform circular motion.

DESCRIPTION: Rotate the mass on the string, creating uniform circular motion. This is helpful in the context of discussion of SHM and the relationship between SHM and UCM.

SUGGESTIONS:

REFERENCES: (PIRA 1D50.10)

EQUIPMENT: Mass on string, as photographed. (Doppler ball from demo H2-41 is shown; ball from D1-33 is another option.)

SETUP TIME: None.