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A block mass m = 2 kg is accelerating by...

A block mass `m = 2 kg` is accelerating by a force `F = 20 N` applied on a smooth light pully as shown in fig 7.86 If the coefficient of kinetic friction between the block and the surface is `mu = 0.3` find its acceleration

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The correct Answer is:
`2m//s^(2)`
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