Q4 A wedge of mass 11 kg is held on the ground
with its base horizontal and smooth faces
inclined at 30° and 45° respectively to the
A 5 kg mass on the face inclined at 30° is
connected to a 7 kg mass on the other face by
a light inextensible string which passes over a
smooth light pulley.
The system is released from rest and the wedge does not move.
Find (i) the acceleration of the particles
(ii) the vertical force exerted on the ground.
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