The system shown in fig is in equilibrium, find the tension in each string ,T1,T2,T3,T4 and T5.
Asked by m.nilu
29th July 2018,
11:04 PM
Answered by Expert
Answer:
By symmetry T1 = T2 and T4 = T5
At point-A, after resolving the tension forces into horizontal and vertical components,
as seen from figure, horizontal components cancel each other and vertical components are getting added together.
At (B) and ( C ), when we resolve the tension forces into horizontal and vertical components,
equal and opposite horizontal components make T3 as zero.
If we balance the vertical components of tension forces, we get, 
if same string is passing through A to B and B to D, then tension force will be same throughout the string. Hence T1 = T4 ................(2)
from (1) and (2), we get T1 = T2 = T4 = T5 = 72 N and T3 = 0
Answered by Expert
31st July 2018,
4:24 PM
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