P, Q and R are three coplanar forces acting at a point and are in equilibrium. Given P=1.9318 kg wt,sinθ1=0.9659, the value of R is (∈ kg wt) p Q and R are three coplanar forces acting at a point and are in equilibrium. Given P=1.9318 kg wt sinθ1=0.9659 the value of R is (∈ [...]