The object
A is in equilibrium with four forces acting on it as shown in the figure. F_(1) = 20N, θ = 30°, and F_(2) = 10N. Find the magnitude of which force among F_(3) and F_(4)?
Options:
A) F_(3)
B) F_(4)
C) Both F_(3) and F_(4)
D) None of the above