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Analysis of Forces on a Truss

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A truss is a structure made of triangular units, commonly used in bridges and roofs. The forces acting on a truss are calculated from the conditions of static equilibrium; for example, means the force exerted on the pin located at by the strut .

Contributed by: Enrique Zeleny (November 2011)
Open content licensed under CC BY-NC-SA

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Details

The equations to solve are:

(normal forces in A and E and the load)

(torque about the point A)

(vertical forces in A)

(horizontal forces in A)

(vertical forces at C)

(horizontal forces on B)

Reference

[1] R. A. Serway and R. J. Beichner, Physics for Scientists and Engineers, Vol. 2, 5th ed., Belmont, CA: Brooks/Cole, 1999.

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