Studying the frictional force directions via bristles

Studying the frictional force directions via bristles

We present simple apparatus designed to help Thai high school students visualize the directions of frictional forces. Bristles of toothbrushes, paintbrushes and scrubbing brushes are used to demonstrate the frictional forces acting in a variety of situations. These demonstrations, when followed by d...

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Main Authors: S. Prasitpong, R. Chitaree, S. Rakkapao
Other Authors: Mahidol University
Format: Article
Published: 2018
Subjects:
Physics and Astronomy
Social Sciences
Online Access:https://repository.li.mahidol.ac.th/handle/123456789/29942
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Institution: Mahidol University
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spelling th-mahidol.299422018-09-24T16:46:37Z Studying the frictional force directions via bristles S. Prasitpong R. Chitaree S. Rakkapao Mahidol University Physics and Astronomy Social Sciences We present simple apparatus designed to help Thai high school students visualize the directions of frictional forces. Bristles of toothbrushes, paintbrushes and scrubbing brushes are used to demonstrate the frictional forces acting in a variety of situations. These demonstrations, when followed by discussion of free-body diagrams, were found to be effective in teaching frictional force directions. © 2010 IOP Publishing Ltd. 2018-09-24T09:44:04Z 2018-09-24T09:44:04Z 2010-11-01 Article Physics Education. Vol.45, No.6 (2010), 602-610 10.1088/0031-9120/45/6/004 13616552 00319120 2-s2.0-78649502535 https://repository.li.mahidol.ac.th/handle/123456789/29942 Mahidol University SCOPUS https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=78649502535&origin=inward
institution Mahidol University
building Mahidol University Library
continent Asia
country Thailand
Thailand
content_provider Mahidol University Library
collection Mahidol University Institutional Repository
topic Physics and Astronomy
Social Sciences
spellingShingle Physics and Astronomy
Social Sciences
S. Prasitpong
R. Chitaree
S. Rakkapao
Studying the frictional force directions via bristles
description We present simple apparatus designed to help Thai high school students visualize the directions of frictional forces. Bristles of toothbrushes, paintbrushes and scrubbing brushes are used to demonstrate the frictional forces acting in a variety of situations. These demonstrations, when followed by discussion of free-body diagrams, were found to be effective in teaching frictional force directions. © 2010 IOP Publishing Ltd.
author2 Mahidol University
author_facet Mahidol University
S. Prasitpong
R. Chitaree
S. Rakkapao
format Article
author S. Prasitpong
R. Chitaree
S. Rakkapao
author_sort S. Prasitpong
title Studying the frictional force directions via bristles
title_short Studying the frictional force directions via bristles
title_full Studying the frictional force directions via bristles
title_fullStr Studying the frictional force directions via bristles
title_full_unstemmed Studying the frictional force directions via bristles
title_sort studying the frictional force directions via bristles
publishDate 2018
url https://repository.li.mahidol.ac.th/handle/123456789/29942
_version_ 1763493559213752320

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