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Article #1017Re: Student Question?
From: RICKER S
Date: Tue, 29 Nov 1994 11:47
Date: Tue, 29 Nov 1994 11:47
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1386 bytes
Actually, as someone has already stated, birds do not fly because their wings push down. They fly because air flows forward over their wings and their wings are shaped such that it has a longer path over the top of the wing than the bottom. Therefore, the pressure above the wings is lesser and lift is created. Therefore, I'm going to stick my neck out and say that when all the birds are flying in the truck or the airplane, their weight is at least decreased. Shawnee > The lift for each bird > must come from somewhere and the somewhere eventually has to be the bed of > the truck. >
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 16cfd8,3b548871ac309d5d X-Google-Attributes: gid16cfd8,public X-Google-ArrivalTime: 1994-11-29 03:49:38 PST Path: arc1-ca.pugleaf.net!bga.com!news.sprintlink.net!howland.reston.ans.net!swrinde!news.dell.com!paladin.american.edu!auvm!JUPITER.SUN.CSD.UNB.CA!i9k1 Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU Newsgroups: bit.listserv.physhare X-Sender: i9k1@jupiter Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Message-ID: <Pine.SUN.3.91.941129073959.7079D-100000@jupiter> Date: Tue, 29 Nov 1994 07:47:42 -0400 Sender: Sharing resources for high school physics <PHYSHARE@PSUVM.PSU.EDU> From: RICKER S <i9k1@JUPITER.SUN.CSD.UNB.CA> Subject: Re: Student Question? In-Reply-To: <199411290901.FAA12165@unb.ca> Lines: 12