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Category > Programming Posted 23 May 2017 My Price 7.00

Find the maximum value of the weight W the structure can support

In the structure in Figure P33a, six wires support three beams. Wires 1 and 2 can support no more than 1200 N each, wires 3 and 4 can support no more than 400 N each, and wires 5 and 6 no more than 200 N each. Three equal weights W are attached at the points shown. Assuming that the structure is stationary and that the weights of the wires and the beams are very small compared to W, the principles of statics applied to a particular beam state that the sum of vertical forces is zero and that the sum of moments about any point is also zero. Applying these principles to each beam using the free-body diagrams shown in Figure P33b, we obtain the following equations. Let the tension force in wire i be Ti. For beam 1

For beam 2

For beam 3

Find the maximum value of the weight W the structure can support. Remember that the wires cannot support compression, so Ti must be nonnegative.

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Alpha Geek
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Status NEW Posted 23 May 2017 11:05 AM My Price 7.00

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file 1495538224-Answer.docx preview (183 words )
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