Constraint relation 03

Classical Mechanics Level 3

Consider the situation shown in figure. Both the pulleys and the string are light and all the surfaces are smooth. The tension in the string connecting block of mass 1 kg and pulley is \( \dfrac ab\) where \(a\) and \(b\) are coprime positive integers. Find the value of \(a-b\).

Take \( g=10\text{ m/s}^2 \).

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