A wedge has two equally rough
faces each inclined at 30° to the
horizontal.Masses of 5kg and 2kg
,one on each face,are connected
by a light string passing over a
smooth pulley at the top of the
wedge.The coefficient of friction
μ, between each masses and the
surface of the wedge is 0.2.Find
the acceleration of the masses
when they are released.
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