Q$4)$ For the Loaded Beam Shown in figure:$-$

$(6$ marks$)$

a$)$ Draw the free body Diagram.

b$)$ Find the Tension in cable BC$.$

c$)$ Find the Reaction at pin support at $A.$

$M1=15Kg,M2-4Kg$

$g^2=9\mathrm{.}81\frac{m}{s^n}2$