The rigid beam $AB$ is supported on one end by the pin A and at the other end by $t$

which is made of steel having an axial stress strength capacity

${}_{\text{c}\text{a}\text{p}}=50$ksi. The pins at $A,B$ and C have shearing capacity ${}_{\text{c}\text{a}\text{p}}=20$ksi.

Determine the required diameter for each bolt if the safety factor for the bolts

is set at S$.$F$.=2$

Determine the required thickness for member BC if the safety factor is set at

S$.$F$.=1\mathrm{.}5$

Determine the maximum bearing stress in the plate BC near the connections B

and C $.$

Find the stresses at the horizontal cut a$-$a

Find the vertical deflection of point B if the modulus of elasticity of bar BC is

$E=29,000$ksi