1K10.30 - Walk The Spool
Position the spool on the table so it has a few feet to roll. If you pull on the ribbon when it is parallel to the table the spool will roll back toward you. If you pull on the ribbon at an angle almost perpendicular to the table the spool will roll away from you. You can then find the angle between these two cases where the spool can be made to slide on the table without rolling.
- Paul Hewitt, "Figuring Physics", TPT, Vol. 59, #1, Jan. 2021, p. 67.
- William Layton, "Yo-Yo Pull Demonstration", TPT, Vol. 51, # 3, March 2013, p. 172.
- Carl E. Mungan, "A Primer on Work-Energy Relationships for Introductory Physics", TPT, Vol. 43, # 1, Jan 2005, p. 10.
- Carl E. Mungan, "Acceleration of a Pulled Spool", TPT, Vol. 39, # 8, Nov 2009, p. 481.
- "Figuring Physics", TPT, Vol. 36, # 6, Sep 1998, p. 374.
- Denardo, Pemberton, Bhatt, "Raising a Circular Body over a Step", TPT, Vol. 35, # 5, May 1997, p. 278.
- J. D. Nightingale, "Which Way Will the Bike Move", TPT, Vol. 31, # 4, April 1993, p. 244.
- Paul Chagnon, "Animated Displays III: Mechanical Puzzles", TPT, Vol. 31, # 1, Jan 1993, p. 32.
- Richard E. Berg, "Traction Force on Accelerated Rolling Bodies", TPT, Dec 1990, p. 600.
- William Boudreau, "Cheap and Simple Yo-Yos", TPT, Feb 1990, p. 92.
- J. Sherfinski, "Coupled Systems with Constrained Accelerations", TPT, Vol. 26, # 7, Oct 1988, p. 454.
- John Sherfinski, "Rotational Dynamics - Two Fundamental Issues", TPT, May 1988.
- Earl Zwicker, "Physics Activities for Groups", TPT, Vol. 19, # 7, Oct 1981, p. 494.
- Parmley, Swigart, Doran, "Lecture Demonstrations for the High School Science Teacher", TPT, Vol 4, # 1, Jan 1966, p. 36.
- Wallace A. Hilton, "A Spool That Obeys Orders", TPT, Vol 2, # 3, March 1964, p. 139.
- "Frictional Forces Which May or May Not Oppose the Motion", Apparatus Notes, July 1965-December 1972, p. 17.
- Robert Ehrlich, "4.3, Pulling a Spool with a Thread", Why Toast Lands Jelly-Side Down, p. 65.
- Jearl Walker, "1.86, Unwinding a Yo-Yo", The Flying Circus of Physics, p. 44.
- "1.15, Moving Spool", p. 42.
- Janice VanCleave, "178. Roller", 204 Sticky, Gloppy, Wacky, and Wonderful Experiments, p. 100.
- "Force Between Surface and Rolling Object"
- Christopher P. Jargodzki, Franklin Potter, "238. Obedient Spool", Mad about Physics, p. 95.
- Christopher P. Jargodzki, Franklin Potter, "237. Friction Helping Motion", Mad about Physics, p. 94.
- H. J. Press, "166. Turning a Spool", Gaint Book of Science Experiments, p. 178.
- "M-618 Rolling Yo-Yo", DICK and RAE Physics Demo Notebook.
- Martin Gardner, "The Spool That Rolls Backward", Smart Science Tricks, p. 57.
- Julius Sumner Miller, Q104 & A104, Millergrams I – Some Enchanting Questions for Enquiring Minds, p. 66 & 114.
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