kindly solve (ref. 522)
Asked by arup.isro
12th July 2018,
11:12 PM
Answered by Expert
Answer:
Figure shows how the normal forces are acting on bottom bars.
Triangle formed by connecting the 3 centers of circle is equilateral triangle.
From forces acting on vertical direction, we have 2×N×cos30 = w or 
F = N sin30 
Answered by Expert
13th July 2018,
5:34 PM
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