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Three forces P, Q and R are acting on a ...

Three forces P, Q and R are acting on a particel in the plane, the angle between P and Q and that between Q and R are `150^(@)` and `120^(@)` respectively. Then for equilibrium, forces P, Q and R are in the ratio

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Three forces P,Q and R are acting at a point in the plane. The angle between P & Q and Q & R are 150^(@) & 120^(@) respectively, then for equilibrium, forces P,Q & R are in the ratio

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