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In physics and engineering, a free body diagram (FBD; also called a force diagram) [1] is a graphical illustration used to visualize the applied forces, moments, and resulting reactions on a free body in a given condition. It depicts a body or connected bodies with all the applied forces and moments, and reactions, which act on the body(ies).
A common visual representation of forces acting in concert is the free body diagram, which schematically portrays a body of interest and the forces applied to it by outside influences. [22] For example, a free body diagram of a block sitting upon an inclined plane can illustrate the combination of gravitational force, "normal" force , friction ...
In physics, the line of action (also called line of application) of a force (F →) is a geometric representation of how the force is applied. It is the straight line through the point at which the force is applied, and is in the same direction as the vector F →. [1] [2]
This image is a derivative work of the following images: File:Force.png licensed with PD-self . 2007-12-28T22:31:03Z Penubag 316x316 (33426 Bytes) {{Information |Description= A few images illustrating forces |Source=self-made using compiled images within Wikipedia or created by me through MS Word |Date= 12/28/07 |Author= [[User:Penubag|Penubag]] |Permission= No rights r
Where is the applied squeezing force, is the initial length of the droplet, is the fluid viscosity, is the width of the assumed rectangular plate, is the final height of the droplet, and is the change in droplet height over time. To simplify most calculations, the applied force is assumed to be constant.
Example of a Hyperstatic Stress Field. A preloaded structure is one that has internal forces, stresses, and strains imposed within it by various means prior to application of externally applied forces. For example, a structure may have cables that are tightened, causing forces to develop in the structure, before any other loads are applied.
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F is the force applied on the object, and A is its cross-sectional area. As shown in the formula above, compressive stress is typically represented by negative values to indicate that there is compression of an object, however, in geotechnical engineering compressive stress is conventionally represented by positive values.