A steel rod with a cross-sectional area of 0.20 in is stretched between two fixed points. The tensile load at 65°F is 1250 lb. What will be the stress at 0°F? At what temperature will the stress be zero? Assume a = 6.5x10 in / (in- °F) and E = 29 x 10° psi.

A steel rod with a cross-sectional area of 0.20 in is stretched between two fixed points. The tensile load at 65°F is 1250 lb. What will be the stress at 0°F? At what temperature will the stress be zero? Assume a = 6.5x10 in / (in- °F) and E = 29 x 10° psi.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

A steel rod with a cross-sectional area of 0.20 in is stretched between two
fixed points. The tensile load at 65°F is 1250 lb. What will be the stress at
0°F? At what temperature will the stress be zero? Assume a = 6.5x106 in /
(in- °F) and E = 29 x 10° psi.

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