Analysis of Forces on a Truss

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 .


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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)
[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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