"Propped Cantilever with Concentrated Force
'<hr /><div style="max-width:180mm;">
'<img style="width:210pt;" alt="propped-cantilever-beam-concentrated-force.png" class="side" src="https://calcpad.eu/media/mechanics/beams/propped-cantilever-beam-concentrated-force.png">
'<p><b>Input data</b></p>
'Beam Length -'l = ?'m
'Load -'F = ?'kN
'Distances -'a = ?'m,
#post
b = l - a'm,'k = b/l
'<p><b>Internal forces</b></p>
'Bending
M_A = F*a*k*(1 + k)/2'kN·m
M_max = F*b*(2 - 3*k + k^3)/2'kN·m
'Shear
V_A = F*k/2*(3 - k^2)'kN
V_B = F - V_A'kN
'<p><b>Diagrams</b></p>
#hide
PlotWidth = 600
PlotHeight = 150
#show
'Calculate internal forces at'x_1 = ?'m
#pre

#post
'Bending
M(x) = -M_A + V_A*x - F*(x - a)*(x > a)
$Plot{-M(x) @ x = 0 : l}
M(x_1)'kN·m
'Shear
V(x) = V_A - F*(x > a)
$Plot{V(x) @ x = 0 : l}
V(x_1)'kN
#show
'</div>10	10	4	1