1 F is the force of attraction between them. 2  G is a constant that is 6.67259 x 10-11 m3/kg s2. 3  M1 and M2 are the two masses that are attracting each other.  R is the distance separating the two objects.
A makerspace is a community center that provides technology, manufacturing equipment and educational opportunities to the public.
Hopefully, this article will help answer some of those questions and provide some useful information on a very important aspect of gunsmithing. Headspace is defined as the distance from the bolt or breech face to a measuring point within the chamber forward of the breech.