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Two forces 3 N and 2 N are at an angle t...

Two forces `3 N` and `2 N` are at an angle `theta` such that the resultant is `R`. The first force is now increased of `6 N` and the resultant become `2 R`. The value of `theta` is

A

`30^(@)`

B

`60^(@)`

C

`90^(@)`

D

`120^(@)`

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The correct Answer is:
D
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