Question

Three forcesP,Q,R are acting at a plane the angle between P and Q and Q And R are 150 degree and 120 degree then for equilibrium forces the ratio are

Answer 1

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3 forces P,Q,R are acting on a particle in the plane,the angle between P&Q&Q&R are 150 and 120 degree respectively.then for equilibrium,forces P,Q&R are in the ratio