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 $A.$

$M1=15Kg$

$g=9\mathrm{.}81\frac{m}{s^{{?}^{{?}^{?}}}}2,M2=4Kg$

I