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The tension in the string connected betw...

The tension in the string connected between blocks is

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From the free-body diagram of vertically hanging 2 kg block,
`2g - T=2a`...... (i)
considering the 2 kg block on the horizontal surface .
`T=2a`............ (ii)
combining (i) and (ii)
` 2g -T=T or 2T = 2g or T=g ` Newton =9.8 N
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