(6. A cylinder weighing 120N rests between two frictionless walls as shown in the following figure. B 3 The wall reaction (N) at Point A is most nearly: (A) (B) (C) 96 139 150 200 (7. A body is subjected to three concurrent, coplanar forces. What is the minimum number of independent equations that are necessary to establish the equilibrium conditions? a) 0 b) 1 c) 2 d) 3