three forces p, q and r are acting at a point in the plane the angle between p and q and r are 150 and 120 degree respectively then for equilibrium forces p,qand r are in ratio:
(a) 1:2:3
(b)1:2:√3
(c)3:2:1
(d)√3:2:1
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answer is c ..........
saloni0852:
so explain it
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