A truss is a structure made of members joined at their ends. For the truss shown

Question

A truss is a structure made of members joined at their ends. For the truss shown in the figure, the forces in the nine members are determined by solving the following system of nine equations: F_2 + cos (48.81 degree) F_1 = 0 F_4 + cos (48.81 degree) F_3 - F_2 = 0, sin (48.81 degree)F_3 + F_3 = 0 -cos (48.81 degree)F_1 + F_4 = 0 - sin (48.81 degree)F_1 + F_3 = 1800, -F_4 - cos (48.81 degree)F_5 = 1200, -F_7 - sin (48.81 degree)F_5 - sin (45 degree)F_9 = sin (45 degree) F_9 = 1500, -cos(45 degree) F_9 - F_8 = 0 Write the equations in matrix form and use MATLAB to determine the forces in the members. A positive force means tensile force and a negative force means compressive force. Display the results in a table where the first column displays the member number and the second column displays the corresponding force.

Explanation / Answer

Check out this link :

http://www.chegg.com/homework-help/questions-and-answers/truss-structure-made-members-joined-ends-truss-shown-figure-forces-nine-members-determined-q11010313

It has a similar type of problem, you just have to edit few constants.The method is exactly same

I hope it will help :)

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