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In the figure shown , two blocks of mass...

In the figure shown , two blocks of masses 2 kg and 4kg are connected by a massless string which is just taut (i.e., tension is zero at this moment ). Now two forces 4 N and 15 N are applied on blocks . The tension in the string is (coefficient of static and kinetic friction are same ). [ g = `m//s^(2)`]

A

2N

B

Zero

C

6N

D

1 N

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The correct Answer is:
B
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