Three identical blocks of masses $m=2\; k g$ are drawn by a force $F=10.2\; N$ with an acceleration of $0.6\; ms ^{-2}$ on a frictionless surface, then what is the tension (in $N$) in the string between the blocks $B$ and $C$?

829-458

  • [AIEEE 2002]
  • A

    $7.8$

  • B

    $9.2$

  • C

    $4$

  • D

    $9.8$

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