1.

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 :

Answer»

`60^(@)`, equilatreal TRIANGLE.
`120^(@)`, equilateral triangle
`120^(@), 30^(@), 30^(@) ` an ISOSCELES triangle
`120^(@)`, an obtuse angled triangle.

Answer :B


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