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Balls on Rotating Disk
M-d1f



A disc with two balls mounted at different radii rotates at varying speeds. A third ball may be placed in the center if disk is horizontally mounted. Both orbital and spin rotations may be seen.


Fishbane Chapter:   3.5
HRW 9th:   4.07
Reese Chapter:   4.5
RHK 5th:   4.5
SJ 3rd Chapter:   3.4
PIRA DCS classification:   1D10.50

Physics Lecture Demonstrations at the Department of Physics and Astronomy
The Johns Hopkins University