Mechanics > Statics > Center of Mass
DCS# 1J10.41
HUMAN CENTER OF MASS
APPARATUS
two bathroom scales
202-15-C
long board
202-alcove
triangular wooden supports
202-15-C
DESCRIPTION
Place the board so that it is supported equally by the two scales. Have a volunteer lie down on the board. Calculate the position of the volunteer's center of mass from the two scale readings.
NOTES
The board weighs 16 lb and is 95.5" long.
REFERENCE
TPT 17(4),254
.