in the arrangement, tension t2 is
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Explanation:
The pulley is at rest . Therefore, the overall force from the block of 10kg will be 2 x 10 x g = 200N.(assume it to be T3) and not 100N.
According to lami's theorem, we know that :
T1/sin120 = T2/sin150 = T3/sin90.
Hence , 200/sin90 = T2/sin150
T2 = 200 x 1/2 x 1 = 100
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