Sling Cable Tension Simple Calculator and Equations

Mechanics and Machine Design Resources

Tension in Sling Cables Simple Calculator and Equations

Sling Statement

Force Diagram
Free Body Diagram
FBD
Force Vector Polygon

Polygon of Forces

For wire AB:

TAB / sin(a1) = W / sin(a5)

W = TAB sin(a5) / sin(a1)


For wire AC:

TAC / sin(a1) = W / sin(a5)

W = TAB sin(a5) / sin(a1)

Where:

a4 = 90° - a1
a3 = 90° - a2
a5 = a1 + a2

All angles in Degrees
W = Load (lbs, N)
Tension (TAB, TAC) (lbs, N)

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