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Questions  

In Figure, tension in the string that connects the masses A and B is T1 and that in the string connecting B and C is T2, then T1/T2 is:

a
2
b
0.5
c
4
d
0.25

detailed solution

Correct option is A

Acceleration a=mg+mg-mgm+m+m=g3For motion of 'A',T1 - mg = ma ⇒T1=43mgFor motion of 'C' , mg - T2 = ma ⇒T2=23mgTherefore, T1T2=2

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