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jauneet singh Grade: 12
        sir in an horizantal surface one block of mass 5 kg is placed on another block of 6 kg which is in contact with horizantal surface.there is no friction between between 6 kg block and horizantal surface.but there is a friction between 5 and 6 kg block ,cofficent of friction is 0.8 the block of mass m  hanging  from string freely which is in connected 2 mass of 5 kg frm other side.the max value of m if both blocks move relative to each other
7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear jauneet


 


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acceleration of lower block a1 = .8N/6


acceleration of upper block a2 =(T-.8N)/5


 where N =5g   and T =mg


in limiting case a1 =a2


                   .8N/6  = (mg-.8N)/5


                   4N/6 = mg - .8N


                   4N =6mg -4.8N


                  6mg = 8.8 N


                  6mg =8.8*5g


                  m =22/3 kg


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Badiuddin

7 years ago
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