Hi guys I can't do the problem.and can't divide the fbd plzz help IIT

1.	Hi guys I can't do the problem.and can't divide the fbd plzz help IIT JEE
Answer» BExplanation:Firstly we have to find COMMON acceleration so CONSIDER them as a single block with mass m . This comes out to be 1 m/s^2. Then you have to find that what is the maximum acceleration the block A can have because it's moving because of only friction and this maximum acceleration is 3 m/s^2. Now by observation you easily UNDERSTOOD that these blocks are moving together. So common acceleration is 1 m/s^2 then draw the FREE body diagram you will finf the eq friction = m×a=2×1=2NTick as a brainlist answer

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Hi guys I can't do the problem.and can't divide the fbd plzz help IIT JEE​

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Hi guys I can't do the problem.and can't divide the fbd plzz help IIT JEE