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- Newsgroups: sci.space
- Path: sparky!uunet!news.claremont.edu!ucivax!news.service.uci.edu!usc!wupost!eclnews!wucs1!gene
- From: gene@wucs1.wustl.edu (_Floor_)
- Subject: Re: Acceleration
- Message-ID: <1992Dec29.162235.15255@wuecl.wustl.edu>
- Sender: usenet@wuecl.wustl.edu (News Administrator)
- Nntp-Posting-Host: wucs1
- Organization: The K-Zoo Crew
- References: <C00wHv.HK7.1@cs.cmu.edu>
- Distribution: sci
- Date: Tue, 29 Dec 1992 16:22:35 GMT
- Lines: 36
-
- In article <C00wHv.HK7.1@cs.cmu.edu> roberts@cmr.ncsl.nist.gov (John Roberts) writes:
- ] -Small force? I think they said the probe would feel an acceleration of 350 g's.
- ] ------------
- ] -It's receiving a force 350 times that of Earth's gravity at the surface of
- ] -the Earth. That's quite a bit of force if you ask most people.
- ] -----
- ]
- ] - Gene Van Buren, Kzoo Crew(Floor), Washington U. in St. Lou - #1 in Volleyball
- ]
- ] Acceleration and force are not the same thing. In this case, acceleration
- ] is force *per unit mass*. If you can keep the mass down on any given
- ] component, then the force isn't too great, even under high acceleration.
- ]
-
- F=ma, right? So if the mass is the same, then an acceleration 350 times
- that experienced on earth is due to a force 350 times that on earth, right?
- Or does the mass somehow change around Jupiter? :-)
-
- ] Just design the system so that each component can support at least 350 times
- ] its own (Earth) weight[1]. Of course you need a safety factor and allowance
- ] for buffeting, so you might want to design the probe to withstand 500 G or
- ] more. This is still far below the requirements of the electronics in artillery
- ] shells.
- ]
- ] [1] - Bearing in mind the expected direction of the force, and the influence
- ] that the components have on one another.
- ] John Roberts
-
- They're doing some pretty impressive stuff with durable electronics these days.
-
- _____ "But you can't really call that a dance. It's a walk." - Tony Banks
- / ___\ ___ __ ___ ___ _____________ gene@cs.wustl.edu
- | / __ / _ \ | / \ / _ \ | physics | gene@lechter.wustl.edu
- | \_\ \ | __/ | /\ | | __/ |racquetball| gev1@cec2.wustl.edu
- \_____/ \___/ |_| |_| \___/ | volleyball| gene@camps.phy.vanderbilt.edu
- Gene Van Buren, Kzoo Crew(Floor), Washington U. in St. Lou - #1 in Volleyball
-