CBSE Class 11-science Answered
please solve this question
Asked by suchananag2002 | 22 Sep, 2019, 09:01: PM
Expert Answer
Let Ts is the reaction force at support due to tension of the string and
T is the tension at lowest point of the string.
By resolving the reaction force and equating the components we get,
Ts cos30 = (M/2)g .....................(1)
Ts sin30 = T .........................(2)
where M is mass of rope. Hence Ts = (2.5×10) / ( √3/2 ) = 50/√3
Hence, Tension at lowest point, T = (50/√3)×(1/2) = 25/√3 ≈ 14 N
Answered by Thiyagarajan K | 22 Sep, 2019, 10:54: PM
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