Vanshika posted an Question
July 29, 2020 • 19:04 pm 30 points
  • IIT JAM
  • Physics (PH)

A steell wire is suspended vertically from a rigid support when loaded with a weight in air. it extends by l

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  • comment-profile-img>
    Dhairya sharma

    https://doubtnut.com/question-answer-physics/a-steel-wire-is-suspended-vertically-from-a-rigid-support-when-loaded-with-a-weight-in-air-it-expand-15602047

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  • comment-profile-img>
    Somnath

    There is a typing mistake in this problem in the last line.Relative density of the material is to be find out.See the attached file for solution.

    cropped1065265920421879048.jpg
  • comment-profile-img>
    Chandra prakash

    https://doubtnut.com/question-answer-physics/a-steel-wire-is-suspended-vertically-from-a-rigid-support-when-loaded-with-a-weight-in-air-it-expand-15602047

    cropped-1337981549.jpg
    cropped-602813798.jpg
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    see

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    see

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    see

  • comment-profile-img>
    Somnath best-answer

    Here is a typing mistake in the last line of the problem.The word not should not be there.Problem asked told find out the relative density if the material. Solution i's given in gbe attached file.

    cropped4795329413329596559.jpg
    eduncle-logo-app

    how is W = KL ?

    eduncle-logo-app

    Stress is proportional to strain.Here stress force is weight W and strain is L.So stress W=KL

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    ok

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