Solution:- the values and figure(diagram) given in the question are as follows:
AA=7 and BB=1
let tension in cable CA and CB is T1 and T2 respectively
W=AA-BB=7-1
W=6 kg
Free Body Diagram-
system is in equilibrium so apply equilibrium conditions-
-T1*cos30o+T2*cos35o=0
T1=T2*(cos35o/cos30o)
T1=0.945875*T2 , [Eq-1]
T1*sin30o+T2sin35o=6 kg , [Eq-2]
value of T1 put in equation(2) from equation-(1)
0.94587*T2*sin30o+T2*sin35o=6
T2*1.04651=6
T2=5.7333 kgf
[we know that, 1kgf=9.81 N]
tension in cable CB(T2)=5.7333 kgf, 56.2436 N
value of T2 put in equation-(1) and calculate the value of T1
T1=5.7333*0.945875
T1=5.423 kgf, or 53.1996 N
tension in cable CA(T1)=5.423 kgf, or 53.1996 N
[Ans]
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