2.75 A steel rod is stretched between two walls. At 20°C, the tensile force in the rod is 5000 N. If the stress is not to exceed 130 MPa at -20°C, find the minimum allowable diameter of the rod. Use a = 11.7 x 10-6/°C and E= 200 GPa.

2.75 A steel rod is stretched between two walls. At 20°C, the tensile force in the rod is 5000 N. If the stress is not to exceed 130 MPa at -20°C, find the minimum allowable diameter of the rod. Use a = 11.7 x 10-6/°C and E= 200 GPa.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter1: Temperature And Heat

Section: Chapter Questions

Problem 105AP: How much stress is cleated in a steel beam if its temperature changes from 15 to 40 but it cannot...

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2.75 A steel rod is stretched between two walls. At 20°C, the tensile force in the
rod is 5000 N. If the stress is not to exceed 130 MPa at -20°C, find the minimum
allowable diameter of the rod. Use a = 11.7 x 10-6/°C and E= 200 GPa.

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