For the beam in Figure 5.8 write the expressions for moment between points B and C, using an origin located at (a) support A, (b) support D, and (c) point B. Using each of the expressions above, evaluate the moment. Shear force on sections is omitted for clarity.

Figure 5.8

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37 kips 37 kips 37 kips w = 4 kips/ft 10% R = 40 kips 10% X1 (b) 10' R = 40 kips 5 (d) (a) +x-10-1 28 kips 2. 28 kips M2-5--5---4 B M M -2 (c) 31 kips 31 kips