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October 2001

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Subject:
From:
Ken Patel <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 10 Oct 2001 15:28:36 -0700
Content-Type:
text/plain
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text/plain (62 lines)
All,
If G force is the gravitation force acting on the object then why many times an object is
being designed to take so may G forces. What I have heard that voice recorder of the plane
that went down in Pennsylvania can take on 700G force! So, if the free fall is 1 G then why
design 700 times safer. So, height above the ground does matter. May be I got to take a look
at the physic's book unless someone explain in layman's term.

re,
Ken Patel


Timothy Reeves wrote:

> No Jason,
> I am not a guru, but that's OK. They are not interconvertible. One is a
> measure of force, the other acceleration (actually a dimensionless
> multiplier of the standard gravitational acceleration, g, 9.8 m/s^2). If you
> have an object in mind of a known mass, you could find the force exerted on
> it given the acceleration ("G's") by F = m a.
>
> Example: 100 gram object subjected to 5 G's ---------> F = 0.1 kg * 5 * 9.8
> m/s^2 = 4.9 Newtons or 0.5 kilogram force or 1.1 lb-force.
>
> Tim Reeves
>
> -----Original Message-----
> From: Jason Gregory [mailto:[log in to unmask]]
> Sent: Tuesday, October 09, 2001 9:01 AM
> Subject: Question for the physics "gurus"
>
> How do you convert pound/kilogram to G-force? Is this convertable? Since
> G-force is somewhat time derived and pound/kilogram is force derived?
> Any help is appreciated.
>
> Jason Gregory
> Software Specialist - NPI Group
> SCI Systems/Plant 2
> 13000 S. Memorial Pkwy.
> Huntsville, AL. 35803
> (256) 882-4107 x3728
> [log in to unmask]
>
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