Previous Next

Walking the Spool
# 1K10.30

Description: Pull string. Angle between string and table determines which direction the spool will roll. At some angle the spool will remain stationary.

Parts: large spool with string

Purchased/Built: built

Setup Time: none

Quant. in Demo Room: 1

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 06-07 The sides of the spool are made of clear plexiglass
Hilton M-10d A string wound around the center of a spool is pulled at different angles causing the spool to change directions. Diagram and analysis. See TPT 2(3),139.
Sutton M-24 A string is pulled off the inner axis of a spool at different angles, changing the direction the spool rolls.
Freier and Anderson Mo-3 Pull on a cord wrapped around the axle of a large spool. The spool can be made to go forward or backward depending on the angle.

Keyword Search:
complete words only, or parts of other words?

Home Manual Demo Suggestions

NCSU Physics Demonstrations
© 2010, North Carolina State University Department of Physics. The design of this site nor the
contents may be copied without the express written permission of the NC State University Department of Physics.

North Carolina State University
All Rights Reserved, 2011