https://skysigal.com/ 2026-05-06T19:40:57+00:00 https://skysigal.com/ https://skysigal.com/lib/tpl/bootstrap3/images/favicon.ico text/html 2023-11-04T22:12:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://skysigal.com/engineering/structural/home?rev=1699135972&do=diff Engineering/Structural * (UP) structural index * See: * Architecture Glossary * Mass: amount of Matter of which a body is composed. * Force: 1N is the force required to cause a mass of 1 Kg to accelerate at a rate of 1 per second squared in the abscence of other force-producing effects.