A mass M is hung with a light inextensible string. Tension in horizontal part of string is
A
Mg
B
Mg
C
Mg/ 
D
Mg/2
Text Solution
Verified by ExpertsThe correct answer is:
A
Here T 1 = T 2 cos 30 = T 2 
i.e., T 2 = 
T 1
Also Mg = T 2 sin 30 o = 
i.e., Mg = 
i.e., T 1 = 
Mg
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