Static friction is an important concept in introductory physics. Later in the year students apply their understanding of static friction under more complex conditions of static equilibrium. Traditional lab demonstrations in this case involve exceeding of the maximum level of static friction, resulting in the onset of motion.
REFERENCES
1.
For example,
Halliday,
Resnick
, and Walker
, Fundamentals of Physics
, 8th ed. (Wiley
, 2008
) p. 311
.2.
Jonathan
Bennett
and Alex
Mauney
, “The static ladder with two sources of friction
” Phys. Teach.
49
, 567
–569
(Dec. 2011
).3.
Yehuda
Salu
, “Revisiting the ladder on the wall problem
,” Phys. Teach.
49
, 289
–290
(May 2011
).4.
Mario
Belloni
, “A simple demonstration for the static ladder problem
” Phys. Teach.
46
, 503
–504
(Nov. 2008
).5.
Shih -Yin
Lin
and Chandralekha
Singh
, “Challenges in using analogies
” Phys. Teach.
49
, 512
–513
(Nov. 2011
).6.
PASCO Dynamics Track and Cart.
7.
Vernier dual range force sensor and Labquest handheld device.
© 2013 American Association of Physics Teachers.
2013
American Association of Physics Teachers
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