$(6)$ To correct a birth defect, the tibia is straightened using three wires that are attached through holes in the bone and then to an external brace that is worn by the patient.

$**$ Consider the point of application as the point where the wire is secured to the bone $($not the frame$).$

a$=0\mathrm{.}06$m

b$=0\mathrm{.}13$m

theta $(2)=-25$deg $(335$deg FRH$)$

F$(1)=820$N

F$(2)=780$N

F$\_(3)=580$N

theta $(1)=35$deg $(35$deg FRH$)$

c$=0\mathrm{.}08$m

d$=0\mathrm{.}05$m

e$=0\mathrm{.}04$m

f$=0\mathrm{.}06$m

g$=0\mathrm{.}02$m