jee-main 2002 Q10

jee-main · India Newton's laws and connected particles Tension in strings connecting blocks in linear arrangement
Three identical blocks of masses $\mathrm{m} = 2 \mathrm{~kg}$ are drawn by a force $\mathrm{F} = 10.2 \mathrm{~N}$ with an acceleration of $0.6 \mathrm{~ms}^{-2}$ on a frictionless surface, then what is the tension (in N) in the string between the blocks $B$ and $C$?
(1) 9.2
(2) 7.8
(3) 4
(4) 9.8 
Three identical blocks of masses $\mathrm{m} = 2 \mathrm{~kg}$ are drawn by a force $\mathrm{F} = 10.2 \mathrm{~N}$ with an acceleration of $0.6 \mathrm{~ms}^{-2}$ on a frictionless surface, then what is the tension (in N) in the string between the blocks $B$ and $C$?\\
(1) 9.2\\
(2) 7.8\\
(3) 4\\
(4) 9.8
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