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1R10.10 - Hooke's Law Demo
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Code Number: 1R10.10
Demo Title: Hooke's Law Demo
Condition: Good
Principle: Hooke's Law
Area of Study: Mechanics
Equipment:
Matched springs (set) (steel), Spring (phosphorous-bronze, k=3.98 N/m), Spring (Savage's favorite), Masses (set), Vertical Measuring Scale, Spring scales (2) (Newton's), Stopwatch, Spring scale (kg).
Procedure:
When using the large springs at least 500 grams will need to be applied before they become linear. After that at least 3 - 1 kg masses may be applied to the spring with linear results. These may be measured with one of the meter sticks with large lettering.
A backboard with markings on it may be used for a more visual display of the displacement, although this probably will not work well in the two large lecture rooms due to the seating elevation.
References:
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- Jonathan Hall, "More Smartphone Acceleration", TPT, Vol. 51, # 1, Jan. 2013, p. 6.
- Jochen Kuhn, Patrik Vogt, "Analyzing Spring Pendulum Phenomena with a Smart-Phone Acceleration Sensor", TPT, Vol. 50, # 8, Nov. 2012, p. 504.
- Kenneth A. Pestka II, Cori Warren, "Hooke's Law and the Stiffness of a Plastic Spoon", TPT, Vol. 50, #8, Nov. 2012, p. 470.
- Nicolas Silva, "Studying Hooke's Law by Using a Pogo Stick", TPT, Vol. 49, # 5, May 2011, p. 300.
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- Glenn Wagner, "Linearizing a Nonlinear Spring", TPT, Vol. 33, # 9, p. 566- 567, Dec. 1995.
- R.D. Edge, "Mechanical Intuition Can Be Wrong", TPT, Vol. 30, # 8, Nov. 1992, p. 511.
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- Francis W. Sears , "Functional Dependence of Elongation of a Coil Spring on the Load Applied", TPT, Vol. 4, # 2, Feb. 1966, p. 84.
- A. Filipponi, L. Di Michele, C. Ferrante, "Viscoelastic Behavior of a Mass-Rubber Band Oscillator", AJP, Vol. 78, # 4, April 2010, p. 437.
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- F. M. Fyfe et al., "Large-Scale Spring Experiment", AJP, Vol. 49, #11, Nov. 1981, p. 1074.
- John Thomchik, J. P. McKelvey, "Anharmonic Vibration of an "Ideal" Hooke's Law Oscillator", AJP, Vol. 46, # 1, Jan. 1978, p. 40.
- H. L. Armstrong, "The Oscillating Spring and Weight - An Experiment Often Misinterpreted", AJP, Vol. 37, #4, Apr. 1969, p. 447.
- JC Iñiguez, et al., "A Vertical Mass-Spring System is Proved to be Ideal", Physics Education, Vol. 40, # 4, July 2005, p. 318.
- Mx- 3, 7: Freier and Anderson, A Demonstration Handbook for Physics.
- John L. Roeder, Activity 3, "Dependence of Elastic Energy on Position", Teaching About Energy, p. 32.
- Jearl Walker, "1.148, A Two-Spring Surprise", The Flying Circus of Physics Ed. 2, p. 70.
- Julius Sumner Miller, Q6 & A6, Millergrams I – Some Enchanting Questions for Enquiring Minds, p. 18 & 77.
- Julius Sumner Miller, Q140 & A140, Millergrams II – Some More Enchanting Questions for Enquiring Minds, p. 25 & 85.