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statically unstable

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  • Statically indeterminate — In statics, a structure is statically indeterminate when the static equilibrium equations are not sufficient for determining the internal forces and reactions on that structure.Based on Newton s laws of motion, the equilibrium equations available …   Wikipedia

  • Longitudinal static stability — is important in determining whether an aircraft will be able to fly as intended. Static stability As any vehicle moves it will be subjected to minor changes in the forces that act on it, and in its speed. * If such a change causes further changes …   Wikipedia

  • Rotating locomotion in living systems — A passive wheel Rotating locomotion encompasses two distinct modes of …   Wikipedia

  • Potsdam Denkschrift — The Potsdam Denkschrift is a declaration of Hans Peter Dürr, J. Daniel Dahm and Rudolf zur Lippe under the patronage of the Federation of German Scientists VDW. It is the base – the “mother” of the abstract condensed version, the Potsdam… …   Wikipedia

  • Mikoyan Project 1.44 — MIG Project 1.44 MFI An artist s conception of the MiG 1.44 technology demonstrator with delta wing design Role …   Wikipedia

  • Static margin — is a concept used to characterize the static stability and controllability of aircraft and missiles.*In aircraft analysis, static margin is defined as the distance between the center of gravity and the neutral point of the aircraft. *In missile… …   Wikipedia

  • Gyro monorail — The gyro monorail, gyroscopic monorail, gyro stabilized monorail, or gyrocar all denote a single rail land vehicle, road or rail, which uses the gyroscopic action of a spinning wheel, which is forced to precess, to overcome the inherent inverted… …   Wikipedia

  • Structural engineering — is a field of engineering dealing with the analysis and design of structures that support or resist loads. Structural engineering is usually considered a speciality within civil engineering, but it can also be studied in its own right. [cite… …   Wikipedia

  • Niagara Cantilever Bridge — Not to be confused with its replacement, the steel arch Michigan Central Railway Bridge. Niagara Cantilever Bridge 1895 guidebook engraving Official name Michigan Central Railway Cantilever Bridge …   Wikipedia

  • building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

  • Conjugate beam method — (0) real beam, (1) shear and moment, (2) conjugate beam, (3) slope and displacement The conjugate beam method is an engineering method to derive the slope and displacement of a beam. The conjugate beam method was developed by H. Müller Breslau in …   Wikipedia

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