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The timber member has a cross-sectional area of 1750 mm? and its modulus of elasticity is 12 GPa. Compute the change in the total length of the member after the loads shown in Figure 7 are applied.

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 8.2.1P: A spherical balloon is filled with a gas. The outer diameter of the balloon is 20 in. and the...

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Concept explainers

Metrology of surface finish

In general terms, the application of scientific principles in the study of measurements is known as metrology. When speaking about measurement, it could be of time, length, microstructures, grain structures, internal crystal discontinuities, surface roughness, measurements of angles, height, width, and so on. While coming to the domain of mechanical engineering, metrology is considered the science of measurements of surface finish, length, surface texture, and angles.

Question

The timber member has a cross-sectional area of 1750 mm? and its modulus of
elasticity is 12 GPa. Compute the change in the total length of the member after the
loads shown in Figure 7 are applied.
25KH
20 KN
3akN
1.5m
3 m

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