Spring loaded suction cup hands
Compression Springs

 

Code Number: 1M40.67

Demo Title: Spring Jumper & Compression Spring

Condition: Good

Principle: Stored Energy

Area of Study: Mechanics

Equipment: 

Spring loaded suction cup hands.

Procedure:

Press down on the hand until the suction cup adheres to the base.  After a certain period of time the suction will be reduced enough so the spring will expand.

Examples of other compression springs can also be shown. 

References:

  • Robert Ehrlich, ""Experiments with 'Newton's Cradle'", TPT, Vol. 34, # 3, March 1996, p. 181.
  • Carl H. Hayn, "Pedagogical Interlude", TPT, Vol. 28, # 3, Mar. 1990, p. 166.
  • Bruce W. Jones,  "A "Black Box/Can" Project",  TPT, Vol. 25, # 7, p. 441, October 1987.
  • James Watson, Jr. and Nancy T. Watson,  "Physics Toy Chest",  TPT, Vol. 25, # 9, p. 564, December 1987.
  • Robert Ehrlich, "Using a Retractable Ball Point Pen to Test the Law of Conservation of Energy", AJP, Vol. 64, # 2, Feb. 1996, p. 176.
  • Robert Ehrlich, "5.5, Ballpoint Pen Test of Energy Conservation", Why Toast Lands Jelly-Side Down, p. 89.
  • Janice VanCleave, "Build a Toy That Will Throw a Ball Toward a Target", Super Science Challenges, p. 123.
  • M- 406,  "Toys-Windup, Jumping & Rolling",  DICK and RAE Physics Demo Notebook.