Three blocks of mass 3 kg, 2 kg and 1 kg...

Three blocks of mass 3 kg, 2 kg and 1 kg are placed side-by-side on smooth surface as shown in figure. If a horizontal force of 24 N is applied on 3 kg block, then the net force on 2 kg block will be

2 N

4 N

8 N

12 N

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