918. A compressive load P = 12 kips is applied, as in Fig. 9-8a, at a...

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918. A compressive load P = 12 kips is applied, as in Fig. 9-8a, at a point I in. to the right and 2 in. above the centroid of a rectangular section for which h = 10 in. and b = 6 in. Compute the stress at each corner and the location of the neutral axis. Illustrate the answers with a sketch similar to Fig. 9-8b. 919. From the data in Prob. 918. what additional load applied at the centroid is necessary so that no tensile stress will exist anywhere on the cross section? 918. A compressive load P = 12 kips is applied, as in Fig. 9-8a, at a point I in. to the right and 2 in. above the centroid of a rectangular section for which h = 10 in. and b = 6 in. Compute the stress at each corner and the location of the neutral axis. Illustrate the answers with a sketch similar to Fig. 9-8b. 919. From the data in Prob. 918. what additional load applied at the centroid is necessary so that no tensile stress will exist anywhere on the cross section?