$\hat \mathbf{u}$

$\mathrm{P}_1$

$\mathrm{P}_2$

$\mu$

$F_2$

$\vec{\mathbf{F}}_2 = F_2 \hat \mathbf{u}$

$F_1$

$\vec{\mathbf{F}}_1 = F_1 \hat \mathbf{u}$

$\mathrm{P}$

$\mathrm{C}$

$F_1 \hat \mathbf{u} + \mu (\mathrm{P_2} - \mathrm{P_1})$

$F_2 \hat \mathbf{u} - \mu (\mathrm{P_1} - \mathrm{P_2})$

$-\mu (\mathrm{P_1}- \mathrm{P_2})$

$\mu (\mathrm{P_1}- \mathrm{P_2})$

$\vec\mathbf{R} = (F_1 + F_2) \hat{\mathbf{u}}$

u_{y} = -4.6 (slider from -5 to 5)
u_{x} = 5 (slider from -5 to 5)
u = UnitVector((u_{x}, u_{y}))
A: (0, 0)
r = Line(A, u)
P_1 = Point(r)
b = 2.7 (slider from -10 to 10)
B: (b, 0)
s = Line(B, u)
P_2 = Point(s)
t = Line(P_1, P_2)
v = Vector(P_1, P_2)
m = -1 (slider from -1 to 1)
F_{2} = 2 (slider from -5 to 5)
F: P_2 + (F_{2} * u)
V_{2} = Vector(P_2, F)
H: P_2 + V_{2} - (m * v)
h = Line(P_2, H)
F_{1} = 1.3 (slider from -5 to 5)
Q_{1}: P_1 + (F_{1} * u)
V_{1} = Vector(P_1, Q_{1})
G: P_1 + V_{1} + (m * v)
g = Line(P_1, G)
I = Intersect(g, h)
i = Line(I, u)
D = Intersect(i, t)
w = Vector(P_1, G)
a = Vector(P_2, H)
c = Vector(P_2, P_2 - (m * v))
K = Translate(P_2, V_{2})
C = Translate(P_2, c)
E = Translate(P_2, a)
q1, p_2, c_1, e, k = Polygon(P_2, C, E, K)
d = Vector(P_1, P_1 + (m * v))
L = Translate(P_1, d)
M = Translate(P_1, w)
N = Translate(P_1, V_{1})
q2, p_{3}, n, m_2, l = Polygon(P_1, N, M, L)
O = Intersect(i, i)
J: D + V_{1} + V_{2}
R = Vector(D, J)