Homework Help: mechanics of materials

Posted by dmkp on Thursday, February 21, 2013 at 5:34pm.

Select the correct answer.The change in length of a steel wire under an applied load can be halved by keeping all other conditions constant but using:
A. A different material having a Young's modulus half that of steel
B half the cross sectional area of the steel wire
C half the length of steel wire
D half the radius of the steel wire

mechanics of materials - Ken, Thursday, February 21, 2013 at 6:07pm
Nothing is changed but the length of the wire.

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