A block is in contact with a block on a horizontal surface with negligible friction

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

A 2 kg2\,\text{kg} block is in contact with a 3 kg3\,\text{kg} block on a horizontal surface with negligible friction. A horizontal force of 25 N25\,\text{N} pushes on the 2 kg2\,\text{kg} block so that both blocks move together. What is the magnitude of their acceleration? (a) 12.5  m/s212.5\;\text{m/s}^2 (b) 5.0  m/s25.0\;\text{m/s}^2 (c) 25  m/s225\;\text{m/s}^2 (d) 2.5  m/s22.5\;\text{m/s}^2

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