Question: A sign (mass 2100kg) hangs from the end of a vertical steel girder with a cross-sectional area of 0.15m2. (a) What is the stress within

A sign (mass 2100kg) hangs from the end of a vertical steel girder with a cross-sectional area of 0.15m2.
(a) What is the stress within the girder?
(b) What is the strain on the girder?
(c) If the girder is 9.50m long, how much is it lengthened? (Ignore the mass of the girder itself).

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