At Joint A
$\Sigma F_V = 0$
$F_{AB}\sin 30^\circ = 1000$
$F_{AB} = 2000 \, \text{N}$ tension
$\Sigma F_H = 0$
$F_{AC} = F_{AB}\cos 30^\circ$
$F_{AC} = 2000\cos 30^\circ$
$F_{AC} = 1732.05 \, \text{N}$ compression
At Joint B
$\Sigma F_y = 0$
$F_{BC} = 1000\cos 30^\circ$
$F_{BC} = 866.02 \, \text{N}$ compression
$\Sigma F_x = 0$
$F_{BD} = 1000\sin 30^\circ + 2000$
$F_{BD} = 2500 \, \text{N}$ tension
At Joint C
$\Sigma F_V = 0$
$F_{CD}\sin 60^\circ = 866.02\sin 60^\circ + 1000$
$F_{CD} = 2020.72 \, \text{N}$ tension
$\Sigma F_H = 0$
$F_{CE} = F_{CD}\cos 60^\circ + 866.02\cos 60^\circ + 1732.05$
$F_{CE} = 2020.72\cos 60^\circ + 866.02\cos 60^\circ + 1732.05$
$F_{CE} = 3175.42 \, \text{N}$ compression
Summary
AB = 2000 N tension
AC = 1732.05 N compression
BC = 866.02 N compression
BD = 2500 N tension
CD = 2020.72 N tension
CE = 3175.42 N compression
