A solid bar of length L = 4 m and diameter 100 mm is heated from 20 to 400 degrees celsius and restrained between two solid immovable walls. Young's modulus of the material is 95 GPa and the coefficient of thermal expansion is 23 x 10-6/°C. Calculate the thermal strain, e, in micro-strain correct to two decimal places. E: Calculate the thermal stress, o, in megapascals (MPa) correct to two decimal places. MPa. Hence calculate the force exerted by the bar in meganewtons (MN) correct to two decimal places: σ: micro-strain. F MN. L

A solid bar of length L = 4 m and diameter 100 mm is heated from 20 to 400 degrees celsius and restrained between two solid immovable walls. Young's modulus of the material is 95 GPa and the coefficient of thermal expansion is 23 x 10-6/°C. Calculate the thermal strain, e, in micro-strain correct to two decimal places. E: Calculate the thermal stress, o, in megapascals (MPa) correct to two decimal places. MPa. Hence calculate the force exerted by the bar in meganewtons (MN) correct to two decimal places: σ: micro-strain. F MN. L

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.6.7P: A wine of length L = 4 ft and diameter d = 0.125 in. is stretched by tensile forces P = 600 lb. The...

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