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Helping Students to Think Like Scientists in Socratic Dialogue-Inducing Labsa)
a)Partially supported by NSF Grant DUE/MDR-9253965.
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10.1119/1.3670087
/content/aapt/journal/tpt/50/1/10.1119/1.3670087
http://aip.metastore.ingenta.com/content/aapt/journal/tpt/50/1/10.1119/1.3670087
View: Figures

Figures

Image of Fig. 1.
Fig. 1.

Snapshot sketches at three sequential instants of time (, , ) show a wooden block sliding to rest on a table as observed in Sec. IV-C of SDI Lab #1, Newton's First and Third Laws. The force f is the frictional force exerted on the block by the table. N is the normal force exerted on the block by the table. F is the force exerted on the block by the Earth. The V–H axis designates the vertical and horizontal directions.

Image of Fig. 2.
Fig. 2.

A nervous student prepares to yank a tablecloth.

Image of Fig. 3.
Fig. 3.

Four phases of the motion of the plate (shown here as a block so as to facilitate the placement of vectors — see below): (a) plate and cloth stationary with respect to (wrt) the lab frame; (b) plate stationary wrt the accelerating cloth; (c) plate slips wrt the accelerating cloth; and (d) plate slides on the table.

Image of Fig. 4.
Fig. 4.

Velocity, acceleration, and force vectors for phases a, b, c, and d of the motion of the plate.

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/content/aapt/journal/tpt/50/1/10.1119/1.3670087
2011-12-27
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Helping Students to Think Like Scientists in Socratic Dialogue-Inducing Labsa)
http://aip.metastore.ingenta.com/content/aapt/journal/tpt/50/1/10.1119/1.3670087
10.1119/1.3670087
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