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A particle of mass 2kg rest on the surface of a smooth plane inclined at an...

A particle of mass 2kg rest on the surface of a smooth plane inclined at an angle 30 degrees to the horizontal. It is connected by a light inelastic string passing over a smooth pulley at the top of the plane to a particle of mass 5.8kg which is hanging freely. After the system is released from reat its acceleration ( in m/s) is?

b) Calculate the force (in N) acting on the pulley due to the string, if the mass of the particle hanging freely is 10kg.
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