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Manipal Entrance Test 2018 Physics Paper
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© examsnet.com
Question : 12
Total: 50
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
60° equilateral triangle
120° equilateral triangle
120', 30°, 30° an isosceles triangle
120° an obtuse triangle
Validate
Solution:
In
N
forces of equal magnitude works on a single point and their resultant is zero, then angle between any two forces is
θ
=
360
°
N
=
360
°
3
=
120
°
If these 3 vectors are represented by three sides of triangle, then they form equilateral triangle.
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