Which of these bodies has redundant constraints for the given loading conditions? F1 and F2 are applied, known forces. In the first choice, the support at A is fixed and a cable connects points B and C. In the second choice, the support at A is a smooth pin, and a cable connects points B and C. In the third choice, the support at A is a single thrust bearing, and a cable connects points B and C. In the fourth choice, the supports at A and B are hinges, and the support at C is a roller.