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Math Help - Stress and Strain Question

  1. #1
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    Stress and Strain Question

    Hi,

    I trying to find out the area of a steel cable to therefore move onto to finding its stress value.

    The diameter of the cable 11.78mm.

    Could someone please check my calculations please.

    11.78 divided by 2 = 5.89

    5.89 squared x 3.14 (pi) = 108.98

    Is this the correct way to work out the area of steel cable 11.78mm in diameter.


    Inadvance thank you

    Twiggy
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  2. #2
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    Quote Originally Posted by twiggy View Post
    Hi,

    I trying to find out the area of a steel cable to therefore move onto to finding its stress value.

    The diameter of the cable 11.78mm.

    Could someone please check my calculations please.

    11.78 divided by 2 = 5.89

    5.89 squared x 3.14 (pi) = 108.98

    Is this the correct way to work out the area of steel cable 11.78mm in diameter.


    Inadvance thank you

    Twiggy
    Yes. And the unit is mm^2. Units are important (as you will discover if/when you calculate the wrong answer for the strain).
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  3. #3
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    Thank you.
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