Determine The Projection Of The Force F1 Along Cable Ab

Determine the projection of the force F1 along cable AB. Determine the projection of the force F2 along cable AC.
Given:
a = 7.5 ft
b = 2 ft
c = 3 ft
d = 2 ft
e = 3 ft
f = 3 ft
F1 = 60 lb
F2 = 30 lb

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