Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 16 Feb 2018 My Price 7.00

indeterminate structure

The statically indeterminate structure shown in the figure consists of a horizontal rigid bar AB supported by five equally spaced springs. Springs 1, 2, and 3 have stiffnesses 3k, 1.5k, and k, respectively. When unstressed, the lower ends of all five springs lie along a horizontal line. Bar AB, which has weight W, causes the springs to elongate by an amount δ

(a) Obtain a formula for the total strain energy U of the springs in terms of the downward displacement δ of the bar.

(b) Obtain a formula for the displacement δ by equating the strain energy of the springs to the work done by the weight W

(c) Determine the forces F1, F2, and F3 in the springs.

(d) Evaluate the strain energy U, the displacement δ, and the forces in the springs if W 600 N and k 7.5 N/mm.

Answers

Maurice Tutor
(5)
Status NEW Posted 16 Feb 2018 05:02 PM My Price 7.00

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