Mechanics > Kinematics > 2-D > Circular Motion
DCS# 1D52.10
CENTRIFUGAL HOOPS
APPARATUS
rotator
202-13-A
hoop
202-13-A
DESCRIPTION
The hoop is flexible and the top is free to slide on the rod. The circular hoop becomes oblate when spun using the hand-cranked rotator. This can be used to illustrate the flattening of the earth's poles due to its rotation.