Masses - Kilogram & Pound

Purpose

To compare the pound and the kilogram.

Equipment

Two masses, as photographed.

Images

a1-01

Description

Two weights, as shown. Can be passed around among the students.

References

Robert A. Nelson, Foundations of the International System of units (SI), TPT 19, 596-613 (1981). Jerry D. Wilson, Metric bargains, TPT 22, 524 (1984). Carl C. Sartain, Magnitude of the Newton, AJP 21, 144 (1953).