coverting Gs (g force) to other units.

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coverting Gs (g force) to other units.

Postby forceguy » Tue May 23, 2006 3:02 am

I was wondering how to relate force of newtons to g force. for example, say you would like to see how much force is created from 350 Gs, and you want to look at this in newtons. it seems to me that Gs are a measurement of acceleration and not force, am i right? Also i am not sure if G relates to acceleration due to gravity from the earth or if it is the universal gravitational constant, or am i just completely wrong. how would i convert to newtons or something else? thanks for your assistance.
forceguy
 

Re: coverting Gs (g force) to other units.

Postby Guest » Tue May 23, 2006 4:11 am

forceguy wrote:I was wondering how to relate force of newtons to g force. for example, say you would like to see how much force is created from 350 Gs, and you want to look at this in newtons. it seems to me that Gs are a measurement of acceleration and not force, am i right? Also i am not sure if G relates to acceleration due to gravity from the earth or if it is the universal gravitational constant, or am i just completely wrong. how would i convert to newtons or something else? thanks for your assistance.


You are basically right. For force in newtons, you have to know the mass acted on.
f = ma

350 G's is acceleration measured in units of standard gravity on the surface of the earth (wrong if you go to Moon, Mars, or even a tall mountain. In fact it is wrong at both the equator and the poles, but right at (about) 45 degrees latitude, sea level)

standard gravity is 9.806 65 m/s^2, so the a in the equation above is 350 times that, in your 350G example.
Guest
 


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