Knot with Three Cords
A ring held by two anchor cords with a third cord carrying a hanging block. The load travels down the vertical cord to the ring, where two equations resolve both anchor tensions — the standard multi-joint cord problem.
Category: cable · Difficulty: Basic
Solution
| Support | Rx (N) | Ry (N) | Mz (N·m) |
|---|---|---|---|
| A | -400 | 300 | 0 |
| B | 400 | 300 | 0 |
| Member | Axial force (N) | Sense |
|---|---|---|
| Member A–K | 500 | Tension |
| Member B–K | 500 | Tension |
| Member K–D | 600 | 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.