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Positions of 2 blocks are placed on the plane and released as depicted in the figure. The coefficients of kinetic friction between the blocks and the ground are μA=0.2 and μB=0.4, respectively. Find the force emerging in the link which connects blocks A and B together. Mass of the link is neglected. Block A and block B weighs 20kg and 4 kg.

B
A
25°

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