Suspension Rod — Two Cables
6 m horizontal rod suspended from two symmetric 3-4-5 cables with a 40 kN midspan load; symmetric geometry makes the cable forces equal (25 kN each) and unloads the roller, while the rod itself is in tension.
Category: cable · Difficulty: Basic
Solution
| Support | Rx (N) | Ry (N) | Mz (N·m) |
|---|---|---|---|
| A | 0 | 0 | 0 |
| C | -15 | 20 | 0 |
| D | 15 | 20 | 0 |
| Member | Axial force (N) | Sense |
|---|---|---|
| Member A–B | 15 | Tension |
| Member C–A | 25 | Tension |
| Member D–B | 25 | Tension |
All reaction values are computed by the StatIQ structural engine, not generated text. Signs follow the solver's convention: a positive Ry acts upward, a negative Ry downward; a positive M is counter-clockwise.