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Mechanics of Materials | 10th Edition | ISBN: 9780134319650 | Authors: Russell C. Hibbeler
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The observation cage C has a weight of 250 kip and through

Chapter 4, Problem 4-28

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QUESTION:

The observation cage C has a weight of 250 kip and through a system of gears, travels upward at constant velocity along the A-36 steel column, which has a height of 200 ft. The column has an outer diameter of 3 ft and is made from steel plate having a thickness of 0.25 in. Neglect the weight of the column, and determine the average normal stress in the column at its base, B, as a function of the cage’s position y. Also, determine the displacement of end A as a function of y.

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QUESTION:

The observation cage C has a weight of 250 kip and through a system of gears, travels upward at constant velocity along the A-36 steel column, which has a height of 200 ft. The column has an outer diameter of 3 ft and is made from steel plate having a thickness of 0.25 in. Neglect the weight of the column, and determine the average normal stress in the column at its base, B, as a function of the cage’s position y. Also, determine the displacement of end A as a function of y.

ANSWER:

Problem 4-28The observation cage C has a weight of 250 kip and through a system of gears, travels upwardat constant velocity along the A-36 steel column, which has a height of 200 ft. The column hasan outer diameter of 3 ft and is made from steel plate having a thickness of 0.25 in. Neglect theweight of the column, and determine the average normal stress in the column at its base, B, asa function of the cages position y. Also, determine the displacement of end A as a function of y Step-by-step solution Step 1 of 4 Draw the schematic diagram of the system.

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