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  1. J

    General questions

    Someone help explain where does the longitudinal force exist on a body/subject. Examples I'd like to know... A Cube, an airplane and a bridge. I'm just not really certain of the definition and prefer a picture, but I haven't been able to find much.
  2. J

    General questions

    Hai again. I'm irritated at a question and I'm not entirely sure how the conversion thing goes. I've got the numbers right but I don't got the numbers in the right places... See below: It's from a book called Engineering Studies The Definitive Guide. Q. Find the resistance of a copper wire...
  3. J

    General questions

    Thanks. Wasn't sure if they could've just half the diameter instead of making it more complicated. But now I know a new (probably redudant) equation and that some maths here will try and be tricky. I'll be sure to ask again when I'm bewildered.
  4. J

    General questions

    On the Excel Senior High School Engineering Studies (author by Peter M & Roger M) text book page 28, where I'm introduced to the Engineering Mechanics and Hydraulics, there's an example where the area is divided by 4. I'll rewrite the work: Tensile stress Determine the Ultimate Tensile Stress...
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