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Three blocks connected together by strings are pulled along a horizontal surface by applying a force `F. If F =36N` What is the tension `T_(2)` ?.
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Text Solution

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Suppose the system slides with acceleration 'a'
`m_(1) =1kg, m_(2) =8kg,m_(3) =27kg`
`F -T_(2) =m_(3) a,T_(2)-T_(1) =m_(2)a, T_(1) =m_(1)a`
Solving the above equation we, get
`a =(F)/(m_(1) +m_(2) +m_(3))`
` =(36)/(1 +8 +27) =(36)/(36) =1 ms^(-2)`
From the above equation, `T_(2) =F -m_(3)a`
`T_(2) =36 -27 xx 1=9 N` .
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