A solid steel bar 250 mm long is 10 mm square over part of its length, the remainder being circular with a diameter of 25 mm. A gradually applied tensile load P kN induces a maximum stress in the bar of 200 MPa. The total strain energy in the bar when the stress of 200 MPa is acting is 1.3 J. Calculate .1. The load P .2. The total extension of the bar .3 The length of the square portion of the bar 3.4 The suddenly applied load that will induce the same amount of energy .5 The load that falls from a height of 8 mm and induces 1.3 J in the bar (E = 200 GPa).

A solid steel bar 250 mm long is 10 mm square over part of its length, the remainder being circular with a diameter of 25 mm. A gradually applied tensile load P kN induces a maximum stress in the bar of 200 MPa. The total strain energy in the bar when the stress of 200 MPa is acting is 1.3 J. Calculate .1. The load P .2. The total extension of the bar .3 The length of the square portion of the bar 3.4 The suddenly applied load that will induce the same amount of energy .5 The load that falls from a height of 8 mm and induces 1.3 J in the bar (E = 200 GPa).

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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