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ERIC Number: EJ860279
Record Type: Journal
Publication Date: 2008-Oct
Pages: 3
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0031-921X
EISSN: N/A
A Multipurpose Device for Some Hydrostatics Questions
Ganci, Salvatore
Physics Teacher, v46 n7 p407-409 Oct 2008
A number of well-known hydrostatics problems dealing with Archimedes' principle concern a loaded boat floating in a pool. Examples of this sort of problem include: 1. (a) If a stone is thrown overboard from a boat floating in a pool, does the water level in the pool rise, fall, or remain unchanged? (b) If a hole is made in the bottom of the boat so that the boat sinks, does the water level in the pool change? If so, when does the change begin (when water first begins to enter the boat or later)? 2. A boat floating in a pool carries a mass "M" that can either be placed on the raft or hung below the raft. (a) How does the water level in the pool compare in the two cases? (b) In which case does the raft float higher in the water? This paper describes a simple low-cost experimental setup that can be used to demonstrate the solutions to such problems in a concrete and dramatic way.
American Association of Physics Teachers. One Physics Ellipse, College Park, MD 20740. Tel: 301-209-3300; Fax: 301-209-0845; e-mail: pubs@aapt.org; Web site: http://scitation.aip.org/tpt
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A