Three forces P, Q, R are acting at a point in a plane. The angle betwe – McqOptions

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1.	Three forces P, Q, R are acting at a point in a plane. The angle between P and Q, Q and R are 150° and 120° respectively, then for equilibrium, forces P, Q, R are in the ratio
A.	1 ∶ 2 ∶ 3
B.	1 ∶ 2 ∶ √3
C.	3 ∶ 2 ∶ 1
D.	√3 ∶ 2 ∶ 1
Answer» E.

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