The anyle formed is so small it does

b$)$ not a fifect the outcome.

b$)$ Find force $\backslash ($ P $\backslash )$ to start sliding the beam and where docs it slide first?

$\backslash ($ F B D $\backslash )$

a$)\backslash ($ D Q $\backslash )$ a shear and moment diagrom for the $12001$ b beam.