1D55.20 - Tangential Central Forces - Grinding Wheel & Sparks

Code Number:
1D55.20
Demo Title:
Tangential Central Forces - Grinding Wheel & Sparks
Condition:
Fair
Principle:
Forces Due To Circular Motion
Area of Study:
Mechanics
Equipment:
Electric Grinder, High Carbon Steel Rod.
Procedure:

Use protective goggles when using the grinder and steel.  The sparks will come off at a tangent to the rotating grinder wheel.

References:
  • Paul Gluck, "Rocket Propulsion with Sparklers", TPT, Vol. 44, #6, Sept. 2006, p. 336.
  • Donald F. Collins, "Centrifugal Icicles and an Inertial Paradox", TPT, Vol. 42, # 2, Feb. 2004, p. 79.
  • Mb- 31: Freier and Anderson, A Demonstration Handbook for Physics.
  • R. W. Pohl, Physical Principles of Mechanics and Acoustics, p. 42.
  • Julius Sumner Miller, Q193 & A193, Millergrams II – Some More Enchanting Questions for Enquiring Minds, p. 53 & 106.

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