statics

Question: If the angle $\alpha $ between two forces of equal magnitude is reduced to $\alpha -\frac{\pi }{3}$, then the magnitude of their resultant becomes $\sqrt{3}$times of the earlier one. The angle $\alpha $is



1) $\pi /2$
2) $2\pi /3$
3) $\pi /4$
4) $4\pi /5$
Solution: Explanation: No Explanation
Composition and resolution of forces and condition of equilibrium of forces

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