(Answered) Question a block a of mass 2kg rests on another block b of

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Question: A block A of mass 2kg rests on another block B of mass 8 kg which rests on a horizontal floor. The coefficient of friction between A and B is 0.2 while that between floor and block B is 0.5 When a horizontal force is of 25N is applied on B, what is the force of friction between A and B?

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