The rod $AB$ is supported by a ball$-$and$-$socket joint at point $A,$ the wall at $B,$ and cable $BC.$ The rod has a mass of $15kg$ concentrated at its midpoint.

Determine:

a$)$ The components at point $A(Ax,Ay,$&$Az)$

b$)$ The normal reaction at point $B(Bz)$

c$)$ The tension in cable $BC$

DONT USE I,J$,$K method