A 2m long bar with square cross section of side 40 mm is subjected to compressive stress of 70 MPa along three mutually perpendicular directions. Take Young's modulus as 200 GPa and Poisson's ratio as 0.3 for the material. Determine change in volume. O a. 1.344 mm3 O b. 1.344 m³ O c. 1344 mm3 O d. 1344 m³

A 2m long bar with square cross section of side 40 mm is subjected to compressive stress of 70 MPa along three mutually perpendicular directions. Take Young's modulus as 200 GPa and Poisson's ratio as 0.3 for the material. Determine change in volume. O a. 1.344 mm3 O b. 1.344 m³ O c. 1344 mm3 O d. 1344 m³

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

100%

A 2m long bar with square
cross section of side 40 mm is
subjected to compressive
stress of 70 MPa along three
mutually perpendicular
directions. Take Young's
modulus as 200 GPa and
Poisson's ratio as 0.3 for the
material. Determine change in
volume.
O a. 1.344 mm3
O b. 1.344 m³
O c. 1344 mm³
O d. 1344 m³

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