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Three concurrent forces of the same magn...

Three concurrent forces of the same magnitude are in equilibrium. What is the angle between the forces ? Also name the triangle formed by the forces as sides :

A

`60^(@)`, equilatreal triangle.

B

`120^(@)`, equilateral triangle

C

`120^(@), 30^(@), 30^(@) ` an isosceles triangle

D

`120^(@)`, an obtuse angled triangle.

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The correct Answer is:
B
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