1. The problem statement, all variables and given/known data Three blocks in contact with each other are pushed across a rough horizontal surface by a 91 N force. F---->[2kg] [7.7kg] [10kg] If the coefficient of kinetic friction between each of the blocks and the surface is 0.14, find the magnitude of the force exerted on the 7.7 kg block by the 10 kg block. Answer in units of N. 2. Relevant equations F = ma F = mg a = F/M - ug 3. The attempt at a solution from there, I found the acceleration but I am not sure how to find the force exerted on one block by another block.