Prob. $1$

for the following system find support reaction

given: $F=500N,a=20cm$

Prob$2$

for the following system find support reaction

$a=1m$

Prob$3$

for the following system find support reaction:

given: $F_1=12kN,F_2=10kN,F_3=5kN,a=1m$

Prob $4$