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Equilibrium of three forces in a plane.xls
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Purpose of calculation:
A force of known value F1 is in equilibrium with two other forces of unknown magnitude (F2 & F3).
All forces start at point o
The direction of F1 is from xo to x1.
The direction of F2 is from xo to x2.
The direction of F3 is from xo to x3.
Calculation Reference
First principles
Calculation Validation
All forces resolved vertically sum to zero - proof of vertical equilibrium.
All forces resolved horizontally sum to zero - proof of horizontal equilibrium.
Calculations are in metric units.
Replace mm for in and N for lbf for imperial units.

Calculation Reference
Static Forces

Submitted By:
John Doyle (JohnDoyle[Admin])
Submitted On:
24 Sep 2008
File Size:
52.50 Kb
File Version:
File Author:
John Doyle
Total Votes:1
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