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Problem: A building code specifies a floor live load of 50 lb/ft² (psf). (a) Express this load \(q\) in kN/m² (kPa). (b) Determine the total live load \(P\) on a room that is 4 m by 5 m, in kN. Use \(1\,\text{lb} = 4.448\,\text{N}\) and \(1\,\text{ft} = 0.3048\,\text{m}\).
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