1. A steel bar 8 m long, hanging vertically supports a tensile load of 2500 N. Neglecting the weight of thebar, calculate the required diameter so that the axial stress will not exceed 130 MPa and the totalelongation is not to exceed 6 mm. Use E-200 GPaAnswer: D = 4.95 mm2. A bar having a length of 5 in. and cross-sectional area of 0.8 in² is subjected to an axial force of 8000Ib. If the bar stretches 0.003 in., determine the modulus of elasticity of the material. Assume that thematerial behave elastically.Answer: E= 16.67 x 10" ksi8000 lb8000 lb-5 in-

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1. A steel bar 8 m long, hanging vertically supports a tensile load of 2500 N. Neglecting the weight of the bar, calculate the required diameter so that the axial stress will not exceed 130 MPa and the total elongation is not to exceed 6 mm. Use E-200 GPa Answer: D = 4.95 mm

1. A steel bar 8 m long, hanging vertically supports a tensile load of 2500 N. Neglecting the weight of the bar, calculate the required diameter so that the axial stress will not exceed 130 MPa and the total elongation is not to exceed 6 mm. Use E-200 GPa Answer: D = 4.95 mm

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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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

1. A steel bar 8 m long, hanging vertically supports a tensile load of 2500 N. Neglecting the weight of the
bar, calculate the required diameter so that the axial stress will not exceed 130 MPa and the total
elongation is not to exceed 6 mm. Use E-200 GPa
Answer: D = 4.95 mm
2. A bar having a length of 5 in. and cross-sectional area of 0.8 in² is subjected to an axial force of 8000
Ib. If the bar stretches 0.003 in., determine the modulus of elasticity of the material. Assume that the
material behave elastically.
Answer: E= 16.67 x 10" ksi
8000 lb
8000 lb
-5 in-

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