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Free body diagram solver
Beams, frames and trusses: draw, load, and read off reactions, internal forces and bar forces.
Load an example
Load an example…
Simply supported beam
Beam with an applied moment
Beam with distributed load
Beam with triangular load
Beam with trapezoidal load
Three-hinged portal
Truss: triangle
Truss: Warren
Cantilever with distributed load
Inclined load on a beam
Portal frame
Units
m
cm
mm
ft
in
Force unit
kN
N
kip
lbf
Undo
Import
Export
Clear
Frame
Truss
Select
V
Member
Bar
M
Hinge
H
Pin
P
Roller
R
Fixed
F
Force
L
Moment
C
Distributed
D
Diagram
1
Normal N
2
Shear V
3
Moment M
4
+
−
Fit
Dims
This tool needs JavaScript to draw and solve problems.