Frame
a	b	c	P	M_1	q_1	q_2
4	4	6	40	60	90	30
reactions
Va	Ha	Rb
-240	320	240		verification Sp =		0
moments
M1	M2	M3
1020	-900	960		node verification		M=	0
shear forces
Q1	Q2		x_extr	M_extr
-40	133,128047094055		5,54400374531753	1029,0409113606
axial forces
N1	N2
-40	-199,692070641082