Three equal weights of mass m each are hanging on a string passing over a fixed pulley as shown in figure. What is the tension in the string connecting the weights B and C?
A
Zero
B
C
D
mg
Text Solution
Verified by ExpertsThe correct answer is:
C
T 1 – mg = ma ... (1)
T 2 + mg – T 1 = ma ... (2)
and mg – T 2 = ma ... (3)
adding (1), (2) and (3), we get
mg = 3ma or a = g/3 
T 2 = 
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