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
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a
60o equilateral triangle
b
120o equilateral triangle
c
120o,30o, 30o an isosceles triangle
d
120o an obtuse angled triangle
answer is B.
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Detailed Solution
In N forces of equal magnitude works on a single point and their resultant is zero then angle between any two forces is givenθ=360N=3603=120∘