on the magnitude of the couple at D does not eacet 4.50 A traffic-signal pole may be supported in the three ways shown; in part c, the tension in cable BC is known to be 1950 N. Determine the reactions for each type of support shown. 2.1 m 2.1 m 2.1 m, 900 N 900 N 900 N 1950 N 7.2 m 4000 N 4000 N 4000 N C. -3 m(a) Fig. P4.50 4.51 A uniform rod AB with a length of / and weight of W is suspended A Cind RC of equal length. Determine the angle θ cor-