1. The greatest tensile stress that steel of a particular sort can withstand without breaking is about 10⁹ N m². A wire of a cross-sectional area 0.01 mm² is made of this steel. What is the greatest force that it can withstand? 2. Find the minimum diameter of an alloy cable, tensile strength 75 MPa, needed to support a load of 15 KN? 3. Calculate the tensile stress in a suspension bridge supporting cable, of a diameter of 50 mm, which pulls up on the roadway with a force of 4 kN.

1. The greatest tensile stress that steel of a particular sort can withstand without breaking is about 10⁹ N m². A wire of a cross-sectional area 0.01 mm² is made of this steel. What is the greatest force that it can withstand? 2. Find the minimum diameter of an alloy cable, tensile strength 75 MPa, needed to support a load of 15 KN? 3. Calculate the tensile stress in a suspension bridge supporting cable, of a diameter of 50 mm, which pulls up on the roadway with a force of 4 kN.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)

Section: Chapter Questions

Problem 8.2.8P: A spherical steel pressure vessel (diameter 500 mm, thickness 10 mm) is coated with brittle lacquer...

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