Using the beam shown in Fig.Q$2.($a$).$

a$)$ Draw the free body diagram and determine the support reactions.

b$)$ Draw the shear force diagram for the beam shown in Fig.Q$2.($a$).$

$(4$ Marks$)$

$(4$ Marks$)$

c$)$ Using the T$-$beam section shown in Fig.Q$2.($b$)$ and the shear force found in $($b$),$ determine the maximum shear stress at the critical section where the internal shear force is maximum.

Fig.Q$2.($a$)$

$(7$ Marks$)$

Fig.Q$2.($a$)$

Fig.Q$2.($b$)$