Given: The surface is frictionless, O 1. 65 N Two blocks in contact with each other move to the right across a horizontal surface by the two forces shown. O 2. 59 N 80 N 20 N 3. 62 N 4 kg 6 kg O 4. 53 N What is the magnitude of the force exerted 5. 56 N on the block with mass 4 kg by the block with mass 6 kg?A block of mass mi rests on top of a block m3 - Uk (m1 + m2) of mass m2 which can slide along a horizon- 1 . tal tabletop. The coefficient of static friction m3 - m1 - m2 between the two blocks is /s and the coeffi- cient of kinetic friction between block 2 and 2 . m3 - HK (m1 + m2) the table is uk. A massless string runs over a m3 + m1 - m2 frictionless peg to a hanging block of mass m3. When the hanging block is released, block 2 slides across the tabletop at constant acceler- 3 . m3 + Uk (m1 + 2m2) m1 + m2 + m3 ation while block 1 remains at rest relative to block 2. m3 + Hk (m1 + m2) 4 . 1 m1 + m2 + m3 2 5 . m3 - Hk (m1 + m2) m1 + m2 + m3 3 If the acceleration of the three blocks is as large as it can possibly be without block 1 slipping on block 2, what does /s have to be in terms of m1, m2, m3 and uk