A sign mass 1900 kg hangs from the endof a vertical steel


A sign (mass 1900 kg) hangs from the endof a vertical steel girder with a cross-sectional area of0.18 m2. (Ignore the mass ofthe girder itself.)

(a) What is the stress within the girder?

N/m2

(b) What is the strain on the girder?

(c) If the girder is 9.55 m long, howmuch is it lengthened?

mm

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Physics: A sign mass 1900 kg hangs from the endof a vertical steel
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