Example #5 (Ex. 3.2 on page 48) The 12.5 kN block is supported by cables as shown in the figure below. Draw the free-body diagrams of the block and point B. A TBA T TBC 60 450 60 45 B B W = 12.5 KN W = 12.5 kN T = 12.5 kN (a) ( b ) (c)