ayahsarhan9656 ayahsarhan9656
  • 10-07-2019
  • Engineering
contestada

A 12-ft circular steel rod with a diameter of 1.5-in is in tension due to a pulling force of 70-lb. Calculate the stress in the rod

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ezequielburela
ezequielburela ezequielburela
  • 22-07-2019

Answer:

The stress in the rod is 39.11 psi.

Explanation:

The stress due to a pulling force is obtained dividing the pulling force by the the area of the cross section of the rod. The respective area for a cylinder is:

[tex] A=\pi*D^2/4 [/tex]

Replacing the diameter the area results:

[tex] A= 17.76 in^2 [/tex]

Therefore the the stress results:

[tex] σ = 70/17.76 lb/in^2 = 39.11 lb/in^2= 39.11 psi [/tex]

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