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Three forces P,Q and R are acting at a p...

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

A

`1:2:3`

B

`1:2: sqrt(3)`

C

`3:2:1`

D

`sqrt(3):2:1`

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The correct Answer is:
D
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MOTION-VECTOR -Exercise - 2
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