Description: A wooden plank evenly divided into four equal parts set on an elevated rod so as to balance as a teeter totter with masses to distribute at various distances from each other. Also availible in meter stick form.
Instructions: Balance masses as needed to show changing center of gravity.
Items Used: Teeter totter; 1 & 2 Kg. Masses; stand.
Notes: Use 1 and 2 kg masses. See also New York balance. Math Description: None.
Size: 48'' x 7'' x 12 Condition: Good. Hazard: None.
