Three blocks A, B and C, of masses 4 kg,2 kg and 1 kg respectively, are ...

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. If a force of 14 N is applied on the 4 kg block, then the contact force between A and B is 

Neet 2015 nlm & friction q 1 In my last two hint videos related to this problem i told you first to make FBD then application of wedge constraint. ( If you don't know about wedge constraint or having some doubts in it , then you can watch my video on wedge constraint, available on this channel).Only thing which is left now, is the application of Newton's second law of motion individually on blocks. If you are following me on Facebook Page then you must know from the tip of the day , How to write Newton's second law .

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