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A thick wire is suspended from a rigid support and no load is attached to its free end but the wire is under stress.

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in Engineering Physics I by (558k points)
A thick wire is suspended from a rigid support and no load is attached to its free end but the wire is under stress.

(a) True

(b) False

I have been asked this question in an internship interview.

This intriguing question comes from Elasticity in portion Thermal Properties of Matter of Engineering Physics I

1 Answer

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Best answer
Right choice is (a) True

To explain I would say: The wire is maybe suspended with no load but the wire will experience some stress due to its own weight. Therefore the answer is true.

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