rulers, cylinder on a table

 

Code Number: 1E10.31

Demo Title:  Ruler on a Wheel or Cylinder

Procedure: 

Place a meter stick on a table.  Start a cylinder with a ruler on top and roll the cylinder to the 50 cm mark.  Although the cylinder only rolled 50 cm, the end of the ruler that started on top of the cylinder is now at the 1 meter mark. 

References:

  • Peter Froehle, Charles H. Miller, "Student Misconceptions and the Conservation of Energy", TPT, Vol. 50, #6, Sept. 2012, p. 367.
  • Ronald Newburgh, "An Appreciation of Hewitt", TPT, Vol. 47, #4, April 2009, p. 196.
  • Paul Hewitt, "Figuring Physics", TPT, Vol. 47, #2, Feb. 2009, p. 72.
  • Zachary H. Levine, "Microwave Carousels - A New Spin on Rolling Contact", TPT, Vol. 45, # 1, Jan. 2007, p. 54.
  • Robert Ehrlich, "4.2 - Tangential Speed At The Top Of A Wheel", Why Toast Land Jelly-Side Down, p. 64.
1E10.31 - Ruler on a Cylinder

 

1E10.31 - Ruler on a Cylinder - No Sound