A solid 20-mm-diameter shaft is subjected to an axial load P. The shaft is made of aluminum [E = 70 GPa; v=0.33]. A strain gage is mounted on the shaft at the orientation shown in Fig. P13.77. (a) If P= 18.5 kN, determine the strain reading that would be expected from the gage. (b) If the gage indicates a strain value of ε = 950 ue, determine the axial force P applied to the shaft.

A solid 20-mm-diameter shaft is subjected to an axial load P. The shaft is made of aluminum [E = 70 GPa; v=0.33]. A strain gage is mounted on the shaft at the orientation shown in Fig. P13.77. (a) If P= 18.5 kN, determine the strain reading that would be expected from the gage. (b) If the gage indicates a strain value of ε = 950 ue, determine the axial force P applied to the shaft.

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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Question

A solid 20-mm-diameter shaft is subjected
to an axial load P. The shaft is made of
aluminum [E = 70 GPa; v=0.33]. A strain gage
is mounted on the shaft at the orientation shown
in Fig. P13.77.
(a) If P= 18.5 kN, determine the strain reading
that would be expected from the gage.
(b) If the gage indicates a strain value of ε = 950
ue, determine the axial force P applied to
the shaft.

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