Q: An object is in equilibrium under four concurrent forces in the direction shown in figure. Find the magnitude of F_{1}^{→} and F_{2}^{→}

(a) $ \displaystyle F_1 = \frac{4}{\sqrt3} N , F_2 = \frac{20}{\sqrt3} N $

(b) $\displaystyle F_1 = \frac{20}{\sqrt3} N , F_2 = \frac{4}{\sqrt3} N $

(c) $ \displaystyle F_1 = \frac{10}{\sqrt3} N , F_2 = \frac{4}{\sqrt3} N $

(d) $ \displaystyle F_1 = \frac{4}{\sqrt3} N , F_2 = \frac{10}{\sqrt3} N $

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Ans: (a)