PURPOSE: To illustrate the position of a projectile at equal time intervals.
DESCRIPTION: This apparatus is a model which shows the position of a projectile at equal time intervals after it is projected. The angle can be changed by tilting the meter stick from which the balls are suspended.
SUGGESTIONS: Use this device as an aid in explaining the "MONKEY AND HUNTER" demonstration, 1D60.30.
EQUIPMENT: Model as photographed.
SETUP TIME: None.