Code Number: 1M20.36
Demo Title: Work of a Screw
Condition: Excellent
Principle: Work and Power
Area of Study: Mechanics
Equipment:
Two Screw Jacks and handles, Jack Stand, Wooden Blocks.
Procedure:
Set up the apparatus as shown. By applying pressure with the screw jacks you can break the boards.
References:
- Thomas B. Greenslade Jr., "Riffs on the Inclined Plane", TPT, Vol. 61, #9, Dec. 2023, p. 759.
- Ole Anton Haugland, "Students Learning Physics While Lifting Themselves: A Simple Analysis of a Scissors Jack", TPT, Vol. 55, #2, February 2017, p. 94-95.
- Edwin F. Meyer III, "A Simple Machine in Action", TPT, Vol. 33, # 1, Jan. 1995, p. 28.
- Lora Wilhite, "Good Lessons from Simple Machines", TPT, Vol. 16, # 9, Dec. 1978, p. 645.
- Thomas B. Greenslade, Jr., "Photo - Inclined Plane Model", AJP, Vol. 77, # 7, July 2009, p. 609.
- Borislaw Bilash II, “Turning, Turning, Turning“, A Demo A Day – A Year of Physical Science Demonstrations, p. 258.