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ERIC Number: EJ1059683
Record Type: Journal
Publication Date: 2015-May
Pages: 3
Abstractor: As Provided
Reference Count: 14
ISSN: ISSN-0031-921X
An Interdisciplinary Approach to Drag Forces: Estimating Floodwater Speed from Displaced Riverbed Boulders
Pestka, Kenneth A., II; Heindel, Jennifer
Physics Teacher, v53 n5 p272-274 May 2015
This activity is designed to illustrate an application of resistive forces in the introductory physics curriculum with an interdisciplinary twist. Students are asked to examine images of riverbed boulders after a flood and estimate the water flow that was needed to push the boulders downstream. The activity provides an opportunity for students to gain an understanding of the physics of natural phenomena with applications to environmental science and environmental engineering, to gain a stronger appreciation for physical modeling and estimation, and to become "environmental detectives"!
American Association of Physics Teachers. One Physics Ellipse, College Park, MD 20740. Tel: 301-209-3300; Fax: 301-209-0845; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A