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Subject :NSO    Class : Class 9

Three blocks A, B and C, of masses 4 kg, 2 kg and 1 kg respectively, are in contact on a frictionless surface, as shown in the figure. If a force of 14 N is applied on the 4 kg block, then the contact force between A and B is

A 8 N
B 4 N
C 2 N
D 6 N

How to solvePls help

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