Draw the envelopes for maximum shear and moment in a 24 -ft-long simply supported beam produced by a live load that consists of both a uniformly distributed load of \(0.4 \mathrm{kip} / \mathrm{ft}\) of variable length and a concentrated load of 10 kips (Figure P12.42). The 10-kip load can act at any point. Compute values of the envelope at the supports, quarter points, and midspan.

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10 kips w = 0.4 kip/ft variable A 24'-