Question 4 A steel rod is subjected to a gradually applied load (F) which gave a rise to a maximum tress of 200 MPa. The rod is 250 mm long and one part of its length is square and the remainder is circular with a diameter of 25 mm. If the total strain energy in the rod and modulus elasticity of the material is 1.3 J and 200 GPa, determine the following: 4.1 The applied bad F 4.2 The total extension of the bar 4.3 The length of the square portion of the bar 4.4 The suddenly applied load that will induce the same amount of energy 4.5 The load that falls from a height of 8 mm induces 1,3 J in the bar.

Question 4 A steel rod is subjected to a gradually applied load (F) which gave a rise to a maximum tress of 200 MPa. The rod is 250 mm long and one part of its length is square and the remainder is circular with a diameter of 25 mm. If the total strain energy in the rod and modulus elasticity of the material is 1.3 J and 200 GPa, determine the following: 4.1 The applied bad F 4.2 The total extension of the bar 4.3 The length of the square portion of the bar 4.4 The suddenly applied load that will induce the same amount of energy 4.5 The load that falls from a height of 8 mm induces 1,3 J in the bar.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.6.13P: A solid spherical ball of magnesium alloy (E = 6.5 × l0-6 psi, v = 0.35) is lowered into the ocean...

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