- #1
harmyder
- 33
- 1
I need to find tensions in suspensions wires on the picture:
I wrote 4 equilibrium equations for moments in A, B, C, D and equilibrium about y-axis, but i got matrix with rank two.
[tex]\begin{pmatrix}
3 & 2 & 1 & 0 \\
0 & 1 & 2 & 3 \\
-1 & 0 & 1 & 2 \\
-2 & -1 & 0 & 1 \\
1 & 1 & 1 & 1
\end{pmatrix}
\begin{pmatrix}
F_A \\
F_B \\
F_C \\
F_D
\end{pmatrix}
=
\begin{pmatrix}
1 \\
2 \\
1 \\
0 \\
1
\end{pmatrix}[/tex]
How to find the forces?
I wrote 4 equilibrium equations for moments in A, B, C, D and equilibrium about y-axis, but i got matrix with rank two.
[tex]\begin{pmatrix}
3 & 2 & 1 & 0 \\
0 & 1 & 2 & 3 \\
-1 & 0 & 1 & 2 \\
-2 & -1 & 0 & 1 \\
1 & 1 & 1 & 1
\end{pmatrix}
\begin{pmatrix}
F_A \\
F_B \\
F_C \\
F_D
\end{pmatrix}
=
\begin{pmatrix}
1 \\
2 \\
1 \\
0 \\
1
\end{pmatrix}[/tex]
How to find the forces?