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In figure all the pulleys and strings are massless and all the surfaces are frictionless. A small block of mass \( m \) is placed on fixed wedge (take \( g=10 \mathrm{~ms}^{-2} \) ).
fixed wedge \( \left(\right. \) take \( g=10 \mathrm{~ms}^{-2} \) )
\( \mathrm{P} \)
W
The acceleration of pulley \( p_{A} \) is
\( \begin{array}{ll}\text { (1) } 2.25 \mathrm{~ms}^{-2} \text { towards left } & \text { (2) } 2.25 \mathrm{~ms}^{-2} \text { towards right } \\ \text { (3) } 9 \mathrm{~ms}^{-2} \text { towards left } & \text { (4) } 9 \mathrm{~ms}^{-2} \text { towards right }\end{array} \)
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