$8-$ The moment at A from the distributed load is$=$

a$.65$ kN $.$m

b$.70kN.m$

c$.72kN.m$

d$.74kN.m$

$9-$ The reaction $B_y$ is equal to:

a$.15$ kN

b$.18$ kN

c$.21$ kN

d$.24$ kN

$10-$ How many unknown support reactions are tr

A$)$ Two forces and one couple moment

B$)$ Three forces and one couple moment

C$)$ Three forces

D$)$ Four forces