Situation $1.$ For the given figure below. Use $F=4kN$

Determine the reaction at $A.$

a$.4kN$

c$.3\mathrm{.}002kN$

b$.4\mathrm{.}882kN$

d$.1\mathrm{.}243kN$

Determine the reaction at $B.$

a$.,4\mathrm{.}882kN$

c$.,3\mathrm{.}002kN$

b$.,2\mathrm{.}8kN$

d$.,1\mathrm{.}243kN$