edge torque moment
21Center of mass — In physics, the center of mass of a system of particles is a specific point at which, for many purposes, the system s mass behaves as if it were concentrated. The center of mass is a function only of the positions and masses of the particles that …
22Technology of the Discworld — The technology depicted in Terry Pratchett s Discworld novels takes two forms: magical and mechanical. Nearly all technology early in the series is at least partially magical, but in recent books there has been something of an industrial… …
23Lockheed P-38 Lightning — P 38 redirects here. For other uses, see P 38 (disambiguation). P 38 Lightning P 38H 5 LO, AAF Ser. No. 4 …
24Wind turbine design — An example of a wind turbine, this 3 bladed turbine is the classic design of modern wind turbines Wind turbines History Design …
25Cantilever — For the figure skating element, see Cantilever (figure skating). A schematic image of two cantilevers. The top example has a full moment connection (like a horizontal flag pole bolted to the side of a building). The bottom example is created by… …
26P-38 Lightning — infobox Aircraft name =P 38 Lightning type =Heavy fighter manufacturer =Lockheed caption = designer =Kelly Johnson first flight =27 January 1939 introduction = 1941 retired = 1949 primary user = United States Army Air Force more users = produced …
27Commutator (electric) — This article is about the electrical component. For mathematical concept, see Commutator . A tiny 5 segment commutator less than 2 mm in diameter, on a direct current motor in a toy radio control ZipZaps car. A commutator is a rotary electri …
28Curtain wall — For defensive curtain walls in medieval buildings, see Curtain wall (fortification). Glass curtain wall of the Bauhaus Dessau A curtain wall is an outer covering of a building in which the outer walls are non structural, but merely keep out the… …
29Fretsaw — The fretsaw is a saw used for intricate cutting work which often incorporate tight curves. Although the coping saw is often used for similar work, the fretsaw is capable of much tighter radii and more delicate work. It has a distinctive… …
30Tide — This article is about tides in the Earth s oceans. For other uses, see Tide (disambiguation). Tidal redirects here. For other uses, see Tidal (disambiguation). High Tide redirects here. For other uses, see High Tide (disambiguation) …
