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Two blocks 'A' and 'B' each of mass 'm' are placed on a smooth horizontal surface . Two horizontal force F and 2F are applied on the blocks A and B , respectively , as shown in figure . The block A does not slide on block B . The normal reaction acting between the two blocks is

A

F

B

`F/2`

C

`F/(sqrt(3))`

D

3F

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The correct Answer is:
D
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