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Three forces of magnitude 30, 60 and P a...

Three forces of magnitude 30, 60 and P acting at a point are in equilibrium. If the angle between the first two is `60^@`, the value of P is

A

`30sqrt7`

B

`30sqrt3`

C

`20sqrt6`

D

`25sqrt2`

Text Solution

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The correct Answer is:
A
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