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The elevator shown in figure is descendi...

The elevator shown in figure is descending, with an acceleration of `2 m//s^(2)`. The mass of block A is 0.5 kg. the force exerted by block A on block B is (mass of block B is 1 kg)

A

2N

B

8N

C

6N

D

4N

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The correct Answer is:
D

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